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Kirk A. Ludwig MD

Chief, Professor

Institution: Medical College of Wisconsin
Department: Surgery
Division: Colorectal Surgery
Program: Colorectal Surgery

Member of the Cancer Center

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Publications (156)

Evaluation of the Rothman Index in Predicting Readmission after Colorectal Resection. (Peterson KJ, O'Donnell CM, Eastwood DC, Szabo A, Hu KY, Ridolfi TJ, Ludwig KA, Peterson CY) Am J Med Qual 2023 Nov 01;38(6):287-293 PMID: 37908031 SCOPUS ID: 2-s2.0-85175675759 11/01/2023 1 Citation

Lending a hand: The utility of hand-assisted laparoscopic surgery in diverticulitis with fistula. (Drezdzon MK, Calata JF, Peterson CY, Otterson MF, Ludwig KA, Ridolfi TJ) Surgery 2024 Mar;175(3):776-781 PMID: 37867107 SCOPUS ID: 2-s2.0-85174461267 10/23/2023

Going for Broke: The Impact of Cost of Living on Surgery Resident Stipend Value. (Drezdzon MK, Cowley NJ, Sweeney DP, Peterson CY, Ridolfi TJ, Ludwig KA, Evans DB, Calata JF) Ann Surg 2023 Dec 01;278(6):1053-1059 PMID: 37226808 SCOPUS ID: 2-s2.0-85176509408 05/25/2023

Disseminated Histoplasmosis: An Unusual Cause of Bowel Obstruction. (Peterson KJ, Rose MR, Davitt C, Ludwig KA) WMJ 2022 Dec;121(4):e66-e70 PMID: 36637849 SCOPUS ID: 2-s2.0-85146363886 01/14/2023 1 Citation

Predicting Neoadjuvant Treatment Response in Rectal Cancer Using Machine Learning: Evaluation of MRI-Based Radiomic and Clinical Models. (Peterson KJ, Simpson MT, Drezdzon MK, Szabo A, Ausman RA, Nencka AS, Knechtges PM, Peterson CY, Ludwig KA, Ridolfi TJ) J Gastrointest Surg 2023 Jan;27(1):122-130 PMID: 36271199 SCOPUS ID: 2-s2.0-85140356180 10/23/2022 1 Citation

Benchmarks in colorectal surgery: multinational study to define quality thresholds in high and low anterior resection. (Staiger RD, Rössler F, Kim MJ, Brown C, Trenti L, Sasaki T, Uluk D, Campana JP, Giacca M, Schiltz B, Bahadoer RR, Lee KY, Kupper BEC, Hu KY, Corcione F, Paredes SR, Spampati S, Ukegjini K, Jedrzejczak B, Langer D, Stakelum A, Park JW, Phang PT, Biondo S, Ito M, Aigner F, Vaccaro CA, Panis Y, Kartheuser A, Peeters KCMJ, Tan KK, Aguiar S, Ludwig K, Bracale U, Young CJ, Dziki A, Ryska M, Winter DC, Jenkins JT, Kennedy RH, Clavien PA, Puhan MA, Turina M) Br J Surg 2022 Nov 22;109(12):1274-1281 PMID: 36074702 SCOPUS ID: 2-s2.0-85143552263 09/09/2022 7 Citations

Long term clinical outcomes and associated predictors of progression free survival in anal canal cancer (Beltrán Ponce SE, Erickson BA, Hall WA, Bedi M, Martens MJ, Siker M, Thomas J, George B, Ludwig K, Peterson C, Ridolfi T, Longo JM) Journal of Gastrointestinal Oncology February 2022;13(1):185-196 SCOPUS ID: 2-s2.0-85125562951 02/01/2022 1 Citation

Sphincter-Sparing Resection for Rectal Cancer. Clin Colon Rectal Surg 2007;20:203-212. (Ludwig KA.) Clin Colon Rectal Surg 2007 01/19/2022

Saddle block anesthetic technique for benign outpatient anorectal surgery. (Peterson KJ, Dyrud P, Johnson C, Blank JJ, Eastwood DC, Butterfield GE, Stekiel TA, Peterson CY, Ludwig KA, Ridolfi TJ) Surgery 2022 Mar;171(3):615-620 PMID: 34887088 SCOPUS ID: 2-s2.0-85120816955 12/11/2021 1 Citation

A Cautionary Note Regarding Obesity and Young Adult Rectal Cancer. (Peterson KJ, Blank JJ, Deshpande RR, Liu Y, Peterson CY, Ludwig KA, Ridolfi TJ) J Gastrointest Surg 2022 Apr;26(4):927-928 PMID: 34647224 SCOPUS ID: 2-s2.0-85117153577 10/15/2021

Impact of Auricular Neurostimulation in Patients Undergoing Colorectal Surgery with an Enhanced Recovery Protocol: A Pilot Randomized, Controlled Trial. (Blank JJ, Liu Y, Yin Z, Spofford CM, Ridolfi TJ, Ludwig KA, Otterson MF, Peterson CY) Dis Colon Rectum 2021 Feb 01;64(2):225-233 PMID: 33417346 SCOPUS ID: 2-s2.0-85099721640 01/09/2021 4 Citations

Mediocre Mountaineers: Who, How, Where, and Why? (Reynolds H, Ludwig KA) Dis Colon Rectum 2020 Oct;63(10):1350-1354 PMID: 32969875 SCOPUS ID: 2-s2.0-85091671930 09/25/2020

Racial and Ethnic Variation Associated With Human Papillomavirus Genotype in Anal Dysplasia. (Mather TL, Hu KY, Rein LE, Szabo A, Lundeen SJ, Peterson CY, Ludwig KA, Ridolfi TJ) J Surg Res 2020 Dec;256:311-316 PMID: 32712446 SCOPUS ID: 2-s2.0-85088388259 07/28/2020 2 Citations

Laparoscopic Versus Robotic Proctectomy Outcomes: An ACS-NSQIP Analysis. (Hu KY, Wu R, Szabo A, Ridolfi TJ, Ludwig KA, Peterson CY) J Surg Res 2020 Nov;255:495-501 PMID: 32622164 SCOPUS ID: 2-s2.0-85087220088 07/06/2020 7 Citations

Initial Experience With Staging Rectal Adenocarcinoma Using 7T Magnetic Resonance Imaging (Blank J, Berger N, Knechtges P, Prost R, Peterson C, Ludwig K, Ridolfi T) Journal of Surgical Research January 2020;245:434-440 SCOPUS ID: 2-s2.0-85070873216 01/01/2020 1 Citation

Colorectal Cancer in Elderly Patients: Considerations in Treatment and Management (Peterson CY, Blank J, Ludwig K) Principles and Practice of Geriatric Surgery: Third Edition: With 261 Figures and 155 Tables 1 January 2020:903-929 SCOPUS ID: 2-s2.0-85151752845 01/01/2020 1 Citation

Response to: "Alvimopan and outcome after colectomy?". (Hu KY, Peterson CY, Ludwig KA, Ridolfi TJ) Surgery 2020 Mar;167(3):677 PMID: 31785823 SCOPUS ID: 2-s2.0-85079128159 12/02/2019

You Are Only as Frail as Your Arteries: Prehabilitation of Elderly Surgical Patients (Durand MJ, Beckert AK, Peterson CY, Ludwig KA, Ridolfi TJ, Lauer KK, Freed JK) Current Anesthesiology Reports 1 December 2019;9(4):380-386 SCOPUS ID: 2-s2.0-85079022988 12/01/2019 3 Citations

Retroileal anastomosis in hand-assisted laparoscopic left colectomy: experience at a single institution. (Blank JJ, Gibson EK, Peterson CY, Ridolfi TJ, Ludwig KA) Surg Endosc 2020 Aug;34(8):3408-3413 PMID: 31506794 SCOPUS ID: 2-s2.0-85072047772 09/12/2019 7 Citations

Use of Neoadjuvant Chemotherapy in the Treatment of Locally Advanced Rectal Cancer. (Hu KY, Simpson MT, Blank JJ, Szabo A, Eastwood D, Ludwig KA, Peterson CY, Ridolfi TJ) J Surg Res 2019 Nov;243:447-452 PMID: 31376796 SCOPUS ID: 2-s2.0-85069946509 08/04/2019 10 Citations

Alvimopan is associated with decreased length of stay for both open and laparoscopic segmental colectomy. (Henning RE, Hu KY, Rein LE, Szabo A, Peterson CY, Ludwig KA, Ridolfi TJ) Surgery 2019 Oct;166(4):483-488 PMID: 31345565 SCOPUS ID: 2-s2.0-85069647050 07/28/2019 8 Citations

Race Is Associated With Burden of Anal Condyloma and Need for Operative Intervention. (Foss HE, Blank JJ, Lundeen SJ, Peterson CY, Ludwig KA, Ridolfi TJ) J Surg Res 2018 Dec;232:629-634 PMID: 30463783 SCOPUS ID: 2-s2.0-85051385217 11/23/2018 2 Citations

The impact of intravenous acetaminophen on pain after abdominal surgery: a meta-analysis. (Blank JJ, Berger NG, Dux JP, Ali F, Ludwig KA, Peterson CY) J Surg Res 2018 Jul;227:234-245 PMID: 29804858 SCOPUS ID: 2-s2.0-85044113607 05/29/2018 15 Citations

Pouch Volvulus in Patients Having Undergone Restorative Proctocolectomy for Ulcerative Colitis: A Case Series. (Landisch RM, Knechtges PM, Otterson MF, Ludwig KA, Ridolfi TJ) Dis Colon Rectum 2018 Jun;61(6):713-718 PMID: 29664798 SCOPUS ID: 2-s2.0-85047745257 04/18/2018 18 Citations

Elevated Venous Thromboembolism Risk Following Colectomy for IBD Is Equal to Those for Colorectal Cancer for Ninety Days After Surgery. (Ali F, Al-Kindi SG, Blank JJ, Peterson CY, Ludwig KA, Ridolfi TJ) Dis Colon Rectum 2018 Mar;61(3):375-381 PMID: 29420429 SCOPUS ID: 2-s2.0-85046560406 02/09/2018 47 Citations

Loop Ileostomy Closure as an Overnight Procedure: Institutional Comparison With the National Surgical Quality Improvement Project Data Set. (Berger NG, Chou R, Toy ES, Ludwig KA, Ridolfi TJ, Peterson CY) Dis Colon Rectum 2017 Aug;60(8):852-859 PMID: 28682971 SCOPUS ID: 2-s2.0-85024910729 07/07/2017 15 Citations

Personalizing Rectal Cancer Management. (Ludwig KA, Vargas D, Reynolds H) Dis Colon Rectum 2016 Dec;59(12):1227-1229 PMID: 27824709 SCOPUS ID: 2-s2.0-84996477479 11/09/2016 3 Citations

Low Anterior Resection Syndrome: Current Management and Future Directions. (Ridolfi TJ, Berger N, Ludwig KA) Clin Colon Rectal Surg 2016 Sep;29(3):239-45 PMID: 27582649 PMCID: PMC4991969 SCOPUS ID: 2-s2.0-84983077447 09/02/2016 54 Citations

Achieving low anastomotic leak rates utilizing clinical perfusion assessment. (Kream J, Ludwig KA, Ridolfi TJ, Peterson CY) Surgery 2016 Oct;160(4):960-967 PMID: 27499148 SCOPUS ID: 2-s2.0-84994750881 08/09/2016 19 Citations

[Management of more frequent complications of laparoscopic surgery. Minimally invasive or always open surgery?]. (Ludwig K, Scharlau U, Schneider Koriath S) Chirurg 2015 Dec;86(12):1105-13 PMID: 26495447 SCOPUS ID: 2-s2.0-84949626862 10/24/2015

High Rate of Positive Circumferential Resection Margins Following Rectal Cancer Surgery: A Call to Action. (Rickles AS, Dietz DW, Chang GJ, Wexner SD, Berho ME, Remzi FH, Greene FL, Fleshman JW, Abbas MA, Peters W, Noyes K, Monson JR, Fleming FJ, Consortium for Optimizing the Treatment of Rectal Cancer (OSTRiCh)) Ann Surg 2015 Dec;262(6):891-8 PMID: 26473651 PMCID: PMC5260485 SCOPUS ID: 2-s2.0-84948710410 10/17/2015 127 Citations

Delayed gastrointestinal recovery after abdominal operation - role of alvimopan. (Berger NG, Ridolfi TJ, Ludwig KA) Clin Exp Gastroenterol 2015;8:231-5 PMID: 26346889 PMCID: PMC4531031 SCOPUS ID: 2-s2.0-84940036963 09/09/2015 17 Citations

Multicenter prospective evaluation of a new articulating 5-mm endoscopic linear stapler. (Kuthe A, Haemmerle A, Ludwig K, Falck S, Hiller W, Mainik F, Freys S, Dubovoy L, Jaehne J, Oldhafer K) Surg Endosc 2016 May;30(5):1883-93 PMID: 26208498 PMCID: PMC4848340 SCOPUS ID: 2-s2.0-84937834298 07/26/2015 7 Citations

Fox Den Disease: An Interesting Case Following Delayed Diagnosis. (Stehr RC, Kim N, LoGiudice JA, Ludwig K) Wounds 2015 Jun;27(6):170-3 PMID: 26061492 SCOPUS ID: 2-s2.0-84931078950 06/11/2015

Right hemicolectomy-hand-assisted laparoscopic surgery (Ludwig KA, Vargas HD) Operative Surgery of the Colon, Rectum and Anus 17 April 2015:343-354 SCOPUS ID: 2-s2.0-85132463892 04/17/2015

Clinical NOTES appendectomy study: comparison of transvaginal NOTES appendectomy in hybrid technique with laparoscopic appendectomy. (Bernhardt J, Steffen H, Schneider-Koriath S, Ludwig K) Int J Colorectal Dis 2015 Feb;30(2):259-67 PMID: 25533898 SCOPUS ID: 2-s2.0-84925519726 12/24/2014 10 Citations

Autonomic nerve regulation of colonic peristalsis in Guinea pigs. (Gribovskaja-Rupp I, Babygirija R, Takahashi T, Ludwig K) J Neurogastroenterol Motil 2014 Apr 30;20(2):185-96 PMID: 24847719 PMCID: PMC4015210 SCOPUS ID: 2-s2.0-84897486103 05/23/2014 7 Citations

Optimizing rectal cancer management: analysis of current evidence. (Abbas MA, Chang GJ, Read TE, Rothenberger DA, Garcia-Aguilar J, Peters W, Monson JR, Sharma A, Dietz DW, Madoff RD, Fleshman JW, Greene FL, Wexner SD, Remzi FH, Consortium for Optimizing Surgical Treatment of Rectal Cancer) Dis Colon Rectum 2014 Feb;57(2):252-9 PMID: 24401889 SCOPUS ID: 2-s2.0-84893728120 01/10/2014 26 Citations

Neonatal colon perforation due to anorectal malformations: can it be avoided? (Tong WD, Ludwig KA) World J Gastroenterol 2013 Jul 07;19(25):3915-7 PMID: 23840135 PMCID: PMC3703177 SCOPUS ID: 2-s2.0-84880080581 07/11/2013 11 Citations

Nitric oxide regulates polarity of guinea pig distal colon pellet propagation and circular muscle motor response. (Gribovskaja-Rupp I, Kwak JM, Takahashi T, Ludwig K) J Gastroenterol 2014 May;49(5):835-42 PMID: 23783840 SCOPUS ID: 2-s2.0-84901395800 06/21/2013 2 Citations

The risk-benefit ratio. Does the administrative database help? (Ludwig KA, Kosinski LA) JAMA Surg 2013 Apr;148(4):322 PMID: 23716016 SCOPUS ID: 2-s2.0-84876800933 05/30/2013 1 Citation

Regional difference in colonic motility response to electrical field stimulation in Guinea pig. (Kwak JM, Babygirija R, Gribovskaja-Rupp I, Takahashi T, Yamato S, Ludwig K) J Neurogastroenterol Motil 2013 Apr;19(2):192-203 PMID: 23667750 PMCID: PMC3644655 SCOPUS ID: 2-s2.0-84876699219 05/15/2013 6 Citations

Colon cancer cells adopt an invasive phenotype without mesenchymal transition in 3-D but not 2-D culture upon combined stimulation with EGF and crypt growth factors. (Ludwig K, Tse ES, Wang JY) BMC Cancer 2013 May 02;13:221 PMID: 23638973 PMCID: PMC3667045 SCOPUS ID: 2-s2.0-84876821077 05/04/2013 19 Citations

PDCD4/miR-21 dysregulation in inflammatory bowel disease-associated carcinogenesis. (Ludwig K, Fassan M, Mescoli C, Pizzi M, Balistreri M, Albertoni L, Pucciarelli S, Scarpa M, Sturniolo GC, Angriman I, Rugge M) Virchows Arch 2013 Jan;462(1):57-63 PMID: 23224068 SCOPUS ID: 2-s2.0-84872322794 12/12/2012 55 Citations

Obesity and colorectal cancer. (Gribovskaja-Rupp I, Kosinski L, Ludwig KA) Clin Colon Rectal Surg 2011 Dec;24(4):229-43 PMID: 23204938 PMCID: PMC3311490 SCOPUS ID: 2-s2.0-82955245379 12/04/2012 34 Citations

Is splenic flexure mobilization necessary in laparoscopic anterior resection? Another view. (Ludwig KA, Kosinski L) Dis Colon Rectum 2012 Nov;55(11):1198-200 PMID: 23044683 SCOPUS ID: 2-s2.0-84868545119 10/10/2012 17 Citations

Diverticular disease (Kosinski L, Ludwig K, Otterson M) Greenfield's Surgery: Scientific Principles and Practice: Fifth Edition 11 September 2012:1121-1130 SCOPUS ID: 2-s2.0-84971568208 09/11/2012

Social interaction attenuates stress responses following chronic stress in maternally separated rats. (Babygirija R, Yoshimoto S, Gribovskaja-Rupp I, Bülbül M, Ludwig K, Takahashi T) Brain Res 2012 Aug 21;1469:54-62 PMID: 22750582 SCOPUS ID: 2-s2.0-84864767460 07/04/2012 23 Citations

Shifting concepts in rectal cancer management: a review of contemporary primary rectal cancer treatment strategies. (Kosinski L, Habr-Gama A, Ludwig K, Perez R) CA Cancer J Clin 2012;62(3):173-202 PMID: 22488575 SCOPUS ID: 2-s2.0-84860796157 04/11/2012 85 Citations

Gastric emptying, plasma ghrelin and autonomic nerve activity in diabetic rats (Ariga H, Imai K, Ludwig K, Takahashi T) Neuroscience Letters 11 April 2012;514(1):77-81 SCOPUS ID: 2-s2.0-84862790240 04/11/2012 3 Citations

Affiliative behavior attenuates stress responses of GI tract via up-regulating hypothalamic oxytocin expression. (Babygirija R, Cerjak D, Yoshimoto S, Gribovskaja-Rupp I, Bülbül M, Ludwig K, Takahashi T) Auton Neurosci 2012 Jul 02;169(1):28-33 PMID: 22464293 SCOPUS ID: 2-s2.0-84862791136 04/03/2012 11 Citations

Up-regulated cystic fibrosis transmembrane conductance regulator after anal stenosis in rats. (Ramprasad J, Sood M, Ludwig K, Takahashi T) J Pediatr Surg 2012 Mar;47(3):556-64 PMID: 22424353 SCOPUS ID: 2-s2.0-84863265562 03/20/2012

Effects of acupuncture on stress-induced gastrointestinal dysmotility in conscious dogs (Taniguchi H, Imai K, Ludwig K, Takahashi T) Medical Acupuncture 1 March 2012;24(1):43-49 SCOPUS ID: 2-s2.0-84859070819 03/01/2012 4 Citations

Ex vivo evaluation of preoperatively treated rectal cancer specimens of patients undergoing radical resection. (de la Fuente SG, Ludwig KA, Tyler DS, Mantyh CR) Ann Surg Oncol 2012 Jun;19(6):1954-8 PMID: 22350598 SCOPUS ID: 2-s2.0-84865141859 02/22/2012 2 Citations

Upregulation of mucosal 5-HT3 receptors is involved in restoration of colonic transit after pelvic nerve transection. (Gribovskaja-Rupp I, Takahashi T, Ridolfi T, Kosinski L, Ludwig K) Neurogastroenterol Motil 2012 May;24(5):472-8, e218 PMID: 22304456 SCOPUS ID: 2-s2.0-84862811573 02/07/2012 4 Citations

Anti-stress effects of transcutaneous electrical nerve stimulation (TENS) on colonic motility in rats. (Yoshimoto S, Babygirija R, Dobner A, Ludwig K, Takahashi T) Dig Dis Sci 2012 May;57(5):1213-21 PMID: 22258717 SCOPUS ID: 2-s2.0-84863625994 01/20/2012 26 Citations

Central and peripheral release of oxytocin following chronic homotypic stress in rats. (Babygirija R, Bülbül M, Yoshimoto S, Ludwig K, Takahashi T) Auton Neurosci 2012 Apr 03;167(1-2):56-60 PMID: 22245139 SCOPUS ID: 2-s2.0-84862819016 01/17/2012 41 Citations

Impaired adaptation of gastrointestinal motility following chronic stress in maternally separated rats. (Bülbül M, Babygirija R, Cerjak D, Yoshimoto S, Ludwig K, Takahashi T) Am J Physiol Gastrointest Liver Physiol 2012 Apr;302(7):G702-11 PMID: 22241856 SCOPUS ID: 2-s2.0-84859452447 01/14/2012 24 Citations

Splenic injury during colon surgery: a matter of technique? (Kastenmeier A, Ludwig KA) Arch Surg 2012 Apr;147(4):329-30 PMID: 22184137 SCOPUS ID: 2-s2.0-84859996340 12/21/2011 8 Citations

Hypothalamic circuit regulating colonic transit following chronic stress in rats. (Yoshimoto S, Cerjak D, Babygirija R, Bulbul M, Ludwig K, Takahashi T) Stress 2012 Mar;15(2):227-36 PMID: 21936687 SCOPUS ID: 2-s2.0-84862909145 09/23/2011 20 Citations

How low is low? Evolving approaches to sphincter-sparing resection techniques. (Ludwig K, Kosinski L) Semin Radiat Oncol 2011 Jul;21(3):185-95 PMID: 21645863 SCOPUS ID: 2-s2.0-79957984225 06/08/2011 3 Citations

Recovery of colonic transit following extrinsic nerve damage in rats. (Ridolfi TJ, Tong WD, Kosinski L, Takahashi T, Ludwig KA) Scand J Gastroenterol 2011 Jun;46(6):678-83 PMID: 21561284 SCOPUS ID: 2-s2.0-79955954939 05/13/2011 11 Citations

Sustained acceleration of colonic transit following chronic homotypic stress in oxytocin knockout mice. (Babygirija R, Bülbül M, Cerjak D, Ludwig K, Takahashi T) Neurosci Lett 2011 May 09;495(1):77-81 PMID: 21439349 SCOPUS ID: 2-s2.0-79955044448 03/29/2011 21 Citations

The challenge in treating the elderly colorectal cancer patient. (Ludwig KA) Ann Surg Oncol 2011 Jun;18(6):1520-1 PMID: 21431985 SCOPUS ID: 2-s2.0-79956212375 03/25/2011

Hypothalamic oxytocin attenuates CRF expression via GABA(A) receptors in rats. (Bülbül M, Babygirija R, Cerjak D, Yoshimoto S, Ludwig K, Takahashi T) Brain Res 2011 Apr 28;1387:39-45 PMID: 21382355 SCOPUS ID: 2-s2.0-79954416315 03/09/2011 60 Citations

Food intake and interdigestive gastrointestinal motility in ghrelin receptor mutant rats. (Bülbül M, Babygirija R, Zheng J, Ludwig K, Xu H, Lazar J, Takahashi T) J Gastroenterol 2011 Apr;46(4):469-78 PMID: 21258824 SCOPUS ID: 2-s2.0-79959823331 01/25/2011 21 Citations

Sustained delayed gastric emptying during repeated restraint stress in oxytocin knockout mice. (Babygirija R, Zheng J, Bülbül M, Cerjak D, Ludwig K, Takahashi T) J Neuroendocrinol 2010 Nov;22(11):1181-6 PMID: 20969650 SCOPUS ID: 2-s2.0-77958524715 10/26/2010 26 Citations

International preoperative rectal cancer management: staging, neoadjuvant treatment, and impact of multidisciplinary teams. (Augestad KM, Lindsetmo RO, Stulberg J, Reynolds H, Senagore A, Champagne B, Heriot AG, Leblanc F, Delaney CP, International Rectal Cancer Study Group (IRCSG)) World J Surg 2010 Nov;34(11):2689-700 PMID: 20703471 PMCID: PMC2949570 SCOPUS ID: 2-s2.0-79952653729 08/13/2010 83 Citations

The role of 5-HT3 and 5-HT4 receptors in the adaptive mechanism of colonic transit following the parasympathetic denervation in rats. (Tong W, Kamiyama Y, Ridolfi TJ, Zietlow A, Zheng J, Kosinski L, Ludwig K, Takahashi T) J Surg Res 2011 Dec;171(2):510-6 PMID: 20691988 PMCID: PMC2978263 SCOPUS ID: 2-s2.0-81155128104 08/10/2010 12 Citations

Central orexin-A increases gastric motility in rats. (Bülbül M, Babygirija R, Ludwig K, Takahashi T) Peptides 2010 Nov;31(11):2118-22 PMID: 20691742 SCOPUS ID: 2-s2.0-77957845403 08/10/2010 21 Citations

Hypothalamic oxytocin mediates adaptation mechanism against chronic stress in rats. (Zheng J, Babygirija R, Bülbül M, Cerjak D, Ludwig K, Takahashi T) Am J Physiol Gastrointest Liver Physiol 2010 Oct;299(4):G946-53 PMID: 20689056 PMCID: PMC2957337 SCOPUS ID: 2-s2.0-77957334899 08/07/2010 91 Citations

Beneficial effects of social attachment to overcome daily stress. (Babygirija R, Zheng J, Bülbül M, Ludwig K, Takahashi T) Brain Res 2010 Sep 17;1352:43-9 PMID: 20643112 SCOPUS ID: 2-s2.0-77956173449 07/21/2010 17 Citations

Central oxytocin attenuates augmented gastric postprandial motility induced by restraint stress in rats. (Bülbül M, Babygirija R, Ludwig K, Takahashi T) Neurosci Lett 2010 Aug 02;479(3):302-6 PMID: 20639005 SCOPUS ID: 2-s2.0-77954145247 07/20/2010 30 Citations

Association between plasma ghrelin and motilin levels during MMC cycle in conscious dogs. (Zietlow A, Nakajima H, Taniguchi H, Ludwig K, Takahashi T) Regul Pept 2010 Sep 24;164(2-3):78-82 PMID: 20609429 SCOPUS ID: 2-s2.0-77955841124 07/09/2010 28 Citations

Central orexin-A changes the gastrointestinal motor pattern from interdigestive to postprandial in rats. (Bülbül M, Babygirija R, Zheng J, Ludwig KA, Takahashi T) Auton Neurosci 2010 Dec 08;158(1-2):24-30 PMID: 20542473 SCOPUS ID: 2-s2.0-78149387994 06/15/2010 14 Citations

Alvimopan for the management of postoperative ileus after bowel resection: characterization of clinical benefit by pooled responder analysis. (Ludwig K, Viscusi ER, Wolff BG, Delaney CP, Senagore A, Techner L) World J Surg 2010 Sep;34(9):2185-90 PMID: 20526599 PMCID: PMC2917559 SCOPUS ID: 2-s2.0-79952113772 06/08/2010 36 Citations

Effects of autonomic nerve stimulation on colorectal motility in rats. (Tong WD, Ridolfi TJ, Kosinski L, Ludwig K, Takahashi T) Neurogastroenterol Motil 2010 Jun;22(6):688-93 PMID: 20067587 PMCID: PMC2952396 SCOPUS ID: 2-s2.0-77951957986 01/14/2010 44 Citations

Mechanism of interdigestive migrating motor complex in conscious dogs. (Nakajima H, Mochiki E, Zietlow A, Ludwig K, Takahashi T) J Gastroenterol 2010 May;45(5):506-14 PMID: 20033824 SCOPUS ID: 2-s2.0-77953321807 12/25/2009 38 Citations

Does every question deserve a randomized controlled trial? (Ludwig K, Ridolfi TJ) Arch Surg 2009 Dec;144(12):1132 PMID: 20030032 SCOPUS ID: 2-s2.0-73149122929 12/25/2009 3 Citations

Local management of rectal neoplasia. (Touzios J, Ludwig KA) Clin Colon Rectal Surg 2008 Nov;21(4):291-9 PMID: 20011441 PMCID: PMC2780249 SCOPUS ID: 2-s2.0-57149098800 12/17/2009 7 Citations

Central oxytocin is involved in restoring impaired gastric motility following chronic repeated stress in mice. (Babygirija R, Zheng J, Ludwig K, Takahashi T) Am J Physiol Regul Integr Comp Physiol 2010 Jan;298(1):R157-65 PMID: 19889866 PMCID: PMC2806214 SCOPUS ID: 2-s2.0-73549107202 11/06/2009 44 Citations

Sympathetic and parasympathetic regulation of rectal motility in rats. (Ridolfi TJ, Tong WD, Takahashi T, Kosinski L, Ludwig KA) J Gastrointest Surg 2009 Nov;13(11):2027-33; discussion 2033 PMID: 19760300 SCOPUS ID: 2-s2.0-77952986555 09/18/2009 19 Citations

Chronic restraint stress has no more stimulatory effects on colonic motility in rats. (Masere C, Nakade Y, Zheng J, Babygirija R, Ludwig K, Takahashi T) Neurosci Lett 2009 Apr 10;453(3):147-50 PMID: 19429023 SCOPUS ID: 2-s2.0-61849112764 05/12/2009 16 Citations

Effects of repeated restraint stress on gastric motility in rats. (Zheng J, Dobner A, Babygirija R, Ludwig K, Takahashi T) Am J Physiol Regul Integr Comp Physiol 2009 May;296(5):R1358-65 PMID: 19261914 SCOPUS ID: 2-s2.0-66149108361 03/06/2009 99 Citations

Gastrointestinal tract recovery in patients undergoing bowel resection: results of a randomized trial of alvimopan and placebo with a standardized accelerated postoperative care pathway. (Ludwig K, Enker WE, Delaney CP, Wolff BG, Du W, Fort JG, Cherubini M, Cucinotta J, Techner L) Arch Surg 2008 Nov;143(11):1098-105 PMID: 19015469 SCOPUS ID: 2-s2.0-56549100673 11/19/2008 127 Citations

Effects of ghrelin on interdigestive contractions of the rat gastrointestinal tract. (Taniguchi H, Ariga H, Zheng J, Ludwig K, Takahashi T) World J Gastroenterol 2008 Nov 07;14(41):6299-302 PMID: 19009642 PMCID: PMC2766108 SCOPUS ID: 2-s2.0-63449099349 11/15/2008 24 Citations

Spinal abscess presenting as the initial symptom of Crohn's disease. (de la Fuente SG, Safford SD, Cantu E, Ludwig KA) Int J Colorectal Dis 2009 May;24(5):601-2 PMID: 18931849 SCOPUS ID: 2-s2.0-63649085536 10/22/2008 1 Citation

Neoadjuvant chemoradiation for rectal cancer reduces lymph node harvest in proctectomy specimens. (de la Fuente SG, Manson RJ, Ludwig KA, Mantyh CR) J Gastrointest Surg 2009 Feb;13(2):269-74 PMID: 18850250 SCOPUS ID: 2-s2.0-59149084085 10/14/2008 55 Citations

Ghrelin regulates gastric phase III-like contractions in freely moving conscious mice. (Zheng J, Ariga H, Taniguchi H, Ludwig K, Takahashi T) Neurogastroenterol Motil 2009 Jan;21(1):78-84 PMID: 18761630 SCOPUS ID: 2-s2.0-58149218357 09/03/2008 67 Citations

Endogenous ghrelin and 5-HT regulate interdigestive gastrointestinal contractions in conscious rats. (Taniguchi H, Ariga H, Zheng J, Ludwig K, Mantyh C, Pappas TN, Takahashi T) Am J Physiol Gastrointest Liver Physiol 2008 Aug;295(2):G403-11 PMID: 18566321 SCOPUS ID: 2-s2.0-52449114280 06/21/2008 31 Citations

Surgical autonomic denervation results in altered colonic motility: an explanation for low anterior resection syndrome? (Lee WY, Takahashi T, Pappas T, Mantyh CR, Ludwig KA) Surgery 2008 Jun;143(6):778-83 PMID: 18549894 SCOPUS ID: 2-s2.0-44749093603 06/14/2008 78 Citations

Treatment of metronidazole-refractory Clostridium difficile enteritis with vancomycin. (Follmar KE, Condron SA, Turner II, Nathan JD, Ludwig KA) Surg Infect (Larchmt) 2008 Apr;9(2):195-200 PMID: 18426352 SCOPUS ID: 2-s2.0-42449119675 04/23/2008 15 Citations

Routine contrast imaging of low pelvic anastomosis prior to closure of defunctioning ileostomy: is it necessary? (Kalady MF, Mantyh CR, Petrofski J, Ludwig KA) J Gastrointest Surg 2008 Jul;12(7):1227-31 PMID: 18368457 SCOPUS ID: 2-s2.0-46249100173 03/28/2008 44 Citations

Standardized algorithms for management of anastomotic leaks and related abdominal and pelvic abscesses after colorectal surgery. (Phitayakorn R, Delaney CP, Reynolds HL, Champagne BJ, Heriot AG, Neary P, Senagore AJ, International Anastomotic Leak Study Group) World J Surg 2008 Jun;32(6):1147-56 PMID: 18283511 SCOPUS ID: 2-s2.0-43949139282 02/20/2008 132 Citations

Rectal cancer. (Engstrom PF, Arnoletti JP, Benson AB 3rd, Chen YJ, Choti MA, Cooper HS, Dilawari RA, Early DS, Fakih MG, Fuchs C, Grem JL, Kiel K, Knol JA, Leong LA, Ludwig KA, Martin EW Jr, Rao S, Saltz L, Shibata D, Skibber JM, Venook AP, National Comprehensive Cancer Network) J Natl Compr Canc Netw 2007 Oct;5(9):940-81 PMID: 17977503 SCOPUS ID: 2-s2.0-35948992985 11/06/2007 8 Citations

Colon cancer. (Engstrom PF, Arnoletti JP, Benson AB 3rd, Chen YJ, Choti MA, Cooper HS, Dilawari RA, Early DS, Fakih MG, Fuchs C, Grem JL, Kiel K, Knol JA, Leong LA, Ludwig KA, Martin EW Jr, Rao S, Saltz L, Shibata D, Skibber JM, Venook AP, Fox Chase Cancer Center Partners) J Natl Compr Canc Netw 2007 Oct;5(9):884-925 PMID: 17977501 SCOPUS ID: 2-s2.0-35948969790 11/06/2007 10 Citations

Simultaneous resections of colorectal cancer and synchronous liver metastases: a multi-institutional analysis. (Reddy SK, Pawlik TM, Zorzi D, Gleisner AL, Ribero D, Assumpcao L, Barbas AS, Abdalla EK, Choti MA, Vauthey JN, Ludwig KA, Mantyh CR, Morse MA, Clary BM) Ann Surg Oncol 2007 Dec;14(12):3481-91 PMID: 17805933 SCOPUS ID: 2-s2.0-36349027540 09/07/2007 350 Citations

Sphincter-sparing resection for rectal cancer. (Ludwig KA) Clin Colon Rectal Surg 2007 Aug;20(3):203-12 PMID: 20011201 PMCID: PMC2789515 SCOPUS ID: 2-s2.0-34547902483 08/01/2007 19 Citations

Invited commentary [1] (Ludwig KA, Mantyh CR) Diseases of the Colon and Rectum August 2007;50(8):1126-1127 SCOPUS ID: 2-s2.0-34447636547 08/01/2007 1 Citation

Bevacizumab, oxaliplatin, and capecitabine with radiation therapy in rectal cancer: Phase I trial results. (Czito BG, Bendell JC, Willett CG, Morse MA, Blobe GC, Tyler DS, Thomas J, Ludwig KA, Mantyh CR, Ashton J, Yu D, Hurwitz HI) Int J Radiat Oncol Biol Phys 2007 Jun 01;68(2):472-8 PMID: 17498568 SCOPUS ID: 2-s2.0-34247848005 05/15/2007 133 Citations

Rectourethral fistula after combination radiotherapy for prostate cancer. (Marguet C, Raj GV, Brashears JH, Anscher MS, Ludwig K, Mouraviev V, Robertson CN, Polascik TJ) Urology 2007 May;69(5):898-901 PMID: 17482930 SCOPUS ID: 2-s2.0-34247557469 05/08/2007 43 Citations

Complete pathological response to bevacizumab and chemoradiation in advanced rectal cancer. (Willett CG, Duda DG, di Tomaso E, Boucher Y, Czito BG, Vujaskovic Z, Vlahovic G, Bendell J, Cohen KS, Hurwitz HI, Bentley R, Lauwers GY, Poleski M, Wong TZ, Paulson E, Ludwig KA, Jain RK) Nat Clin Pract Oncol 2007 May;4(5):316-21 PMID: 17464339 PMCID: PMC2686127 SCOPUS ID: 2-s2.0-34247847960 04/28/2007 50 Citations

Postoperative ileus-related morbidity profile in patients treated with alvimopan after bowel resection. (Wolff BG, Weese JL, Ludwig KA, Delaney CP, Stamos MJ, Michelassi F, Du W, Techner L) J Am Coll Surg 2007 Apr;204(4):609-16 PMID: 17382220 SCOPUS ID: 2-s2.0-33947237883 03/27/2007 56 Citations

The Kraske procedure: a critical analysis of a surgical approach for mid-rectal lesions. (Onaitis M, Ludwig K, Perez-Tamayo A, Gottfried M, Russell L, Shadduck P, Pappas T, Seigler HF, Tyler DS) J Surg Oncol 2006 Sep 01;94(3):194-202 PMID: 16900535 SCOPUS ID: 2-s2.0-33747879730 08/11/2006 34 Citations

Colorectal Cancer Screening Clinical Practice Guidelines. (Levin B, Barthel JS, Burt RW, David DS, Ford JM, Giardiello FM, Gruber SB, Halverson AL, Hamilton S, Kohlmann W, Ludwig KA, Lynch PM, Marino C, Martin EW Jr, Mayer RJ, Pasche B, Pirruccello SJ, Rajput A, Rao MS, Shike M, Steinbach G, Terdiman JP, Weinberg D, Winawer SJ) J Natl Compr Canc Netw 2006 Apr;4(4):384-420 PMID: 16569391 SCOPUS ID: 2-s2.0-33745932711 03/30/2006 34 Citations

Increased toxicity with gefitinib, capecitabine, and radiation therapy in pancreatic and rectal cancer: phase I trial results. (Czito BG, Willett CG, Bendell JC, Morse MA, Tyler DS, Fernando NH, Mantyh CR, Blobe GC, Honeycutt W, Yu D, Clary BM, Pappas TN, Ludwig KA, Hurwitz HI) J Clin Oncol 2006 Feb 01;24(4):656-62 PMID: 16446337 SCOPUS ID: 2-s2.0-33644848522 02/01/2006 130 Citations

Reduction in adhesive small-bowel obstruction by Seprafilm adhesion barrier after intestinal resection. (Fazio VW, Cohen Z, Fleshman JW, van Goor H, Bauer JJ, Wolff BG, Corman M, Beart RW Jr, Wexner SD, Becker JM, Monson JR, Kaufman HS, Beck DE, Bailey HR, Ludwig KA, Stamos MJ, Darzi A, Bleday R, Dorazio R, Madoff RD, Smith LE, Gearhart S, Lillemoe K, Göhl J) Dis Colon Rectum 2006 Jan;49(1):1-11 PMID: 16320005 SCOPUS ID: 2-s2.0-29244468515 12/02/2005 279 Citations

A combined indenter/ARFI imaging system (Zhai L, Palmeri M, Nightingale R, Gottfried M, Ludwig K, Nightingale K) Proceedings - IEEE Ultrasonics Symposium 2005;1:609-612 SCOPUS ID: 2-s2.0-33847158382 12/01/2005

Peripherally administered CRF stimulates colonic motility via central CRF receptors and vagal pathways in conscious rats. (Tsukamoto K, Nakade Y, Mantyh C, Ludwig K, Pappas TN, Takahashi T) Am J Physiol Regul Integr Comp Physiol 2006 Jun;290(6):R1537-41 PMID: 16284082 SCOPUS ID: 2-s2.0-33744813779 11/15/2005 37 Citations

The herbal medicine, Dai-Kenchu-to, accelerates delayed gastrointestinal transit after the operation in rats. (Fukuda H, Chen C, Mantyh C, Ludwig K, Pappas TN, Takahashi T) J Surg Res 2006 Apr;131(2):290-5 PMID: 16259999 SCOPUS ID: 2-s2.0-33644882744 11/02/2005 41 Citations

Acoustic radiation force impulse (ARFI) imaging of the gastrointestinal tract. (Palmeri ML, Frinkley KD, Zhai L, Gottfried M, Bentley RC, Ludwig K, Nightingale KR) Ultrason Imaging 2005 Apr;27(2):75-88 PMID: 16231837 SCOPUS ID: 2-s2.0-26044470441 10/20/2005 47 Citations

Trans-sacral approaches for presacral cyst/rectal tumor (Ludwig KA, Kalady MF) Operative Techniques in General Surgery September 2005;7(3):126-136 SCOPUS ID: 2-s2.0-29144535362 09/01/2005 7 Citations

Laparoscopic colectomy for colon cancer: comparable to conventional oncologic surgery? (Bonnor RM, Ludwig KA) Clin Colon Rectal Surg 2005 Aug;18(3):174-81 PMID: 20011300 PMCID: PMC2780093 SCOPUS ID: 2-s2.0-24344449071 08/01/2005 10 Citations

Colon cancer: Preface (Ludwig KA) Clinics in Colon and Rectal Surgery August 2005;18(3):131 SCOPUS ID: 2-s2.0-24344487189 08/01/2005

Anal canal cancer clinical practice guidelines in oncology. (Engstrom PF, Benson AB 3rd, Chen YJ, Choti MA, Dilawari RA, Enke CA, Fakih MG, Fuchs C, Kiel K, Knol JA, Leong LA, Ludwig KA, Martin EW Jr, Rao S, Saif MW, Saltz L, Skibber JM, Venook AP, Yeatman TJ, National Comprehensive Cancer Network) J Natl Compr Canc Netw 2005 Jul;3(4):510-5 PMID: 16038641 SCOPUS ID: 2-s2.0-27744499328 07/26/2005 12 Citations

Colon cancer clinical practice guidelines in oncology. (Engstrom PF, Benson AB 3rd, Chen YJ, Choti MA, Dilawari RA, Enke CA, Fakih MG, Fuchs C, Kiel K, Knol JA, Leong LA, Ludwig KA, Martin EW Jr, Rao S, Saif MW, Saltz L, Skibber JM, Venook AP, Yeatman TJ, National Comprehensive Cancer Network) J Natl Compr Canc Netw 2005 Jul;3(4):468-91 PMID: 16038639 SCOPUS ID: 2-s2.0-27744586750 07/26/2005 58 Citations

Rectal cancer clinical practice guidelines in oncology. (Engstrom PF, Benson AB 3rd, Chen YJ, Choti MA, Dilawari RA, Enke CA, Fakih MG, Fuchs C, Kiel K, Knol JA, Leong LA, Ludwig KA, Martin EW Jr, Rao S, Saif MW, Saltz L, Skibber JM, Venook AP, Yeatman TJ, National Comprehensive Cancer Network) J Natl Compr Canc Netw 2005 Jul;3(4):492-508 PMID: 16038640 SCOPUS ID: 2-s2.0-27744485100 07/26/2005 21 Citations

Prevention of postoperative abdominal adhesions by a novel, glycerol/sodium hyaluronate/carboxymethylcellulose-based bioresorbable membrane: a prospective, randomized, evaluator-blinded multicenter study. (Cohen Z, Senagore AJ, Dayton MT, Koruda MJ, Beck DE, Wolff BG, Fleshner PR, Thirlby RC, Ludwig KA, Larach SW, Weiss EG, Bauer JJ, Holmdahl L) Dis Colon Rectum 2005 Jun;48(6):1130-9 PMID: 15868230 SCOPUS ID: 2-s2.0-21244464009 05/04/2005 86 Citations

Relationship between surgeon caseload and sphincter preservation in patients with rectal cancer. (Purves H, Pietrobon R, Hervey S, Guller U, Miller W, Ludwig K) Dis Colon Rectum 2005 Feb;48(2):195-202; discussion 202-4 PMID: 15812583 SCOPUS ID: 2-s2.0-17744381352 04/07/2005 56 Citations

Acoustic Radiation Force Impulse (ARFI) imaging of the gastrointestinal tract (Palmeri M, Frinkley K, Zhai L, Bentley R, Ludwig K, Gottfried M, Nightingale K) Proceedings - IEEE Ultrasonics Symposium 2004;1:744-747 SCOPUS ID: 2-s2.0-21644455691 12/01/2004 12 Citations

Inhibition of the vanilloid receptor subtype-1 attenuates TNBS-colitis. (Fujino K, Takami Y, de la Fuente SG, Ludwig KA, Mantyh CR) J Gastrointest Surg 2004 Nov;8(7):842-7; discussion 847-8 PMID: 15531237 SCOPUS ID: 2-s2.0-16644364367 11/09/2004 53 Citations

Seminars in Colon and Rectal Surgery: Introduction (Ludwig KA) Seminars in Colon and Rectal Surgery March 2004;15(1 SPEC.ISS.):1 SCOPUS ID: 2-s2.0-8444220159 03/01/2004

A Phase I trial of preoperative eniluracil plus 5-fluorouracil and radiation for locally advanced or unresectable adenocarcinoma of the rectum and colon. (Czito BG, Hong TJ, Cohen DP, Tyler DS, Lee CG, Anscher MS, Ludwig KA, Seigler HF, Mantyh C, Morse MA, Lockhart AC, Petros WP, Honeycutt W, Spector NL, Ertel PJ, Mangum SG, Hurwitz HI) Int J Radiat Oncol Biol Phys 2004 Mar 01;58(3):779-85 PMID: 14967434 SCOPUS ID: 2-s2.0-10744222901 02/18/2004 7 Citations

Presacral developmental cysts (Kalady MF, Ludwig KA) Seminars in Colon and Rectal Surgery March 2004;15(1 SPEC.ISS.):12-18 SCOPUS ID: 2-s2.0-8444248345 01/01/2004 5 Citations

Elective stoma construction improves outcomes in medically intractable pressure ulcers. (de la Fuente SG, Levin LS, Reynolds JD, Olivares C, Pappas TN, Ludwig KA, Mantyh CR) Dis Colon Rectum 2003 Nov;46(11):1525-30 PMID: 14605574 SCOPUS ID: 2-s2.0-0242509826 11/08/2003 19 Citations

Loop ileostomy closure at an ambulatory surgery facility: a safe and cost-effective alternative to routine hospitalization. (Kalady MF, Fields RC, Klein S, Nielsen KC, Mantyh CR, Ludwig KA) Dis Colon Rectum 2003 Apr;46(4):486-90 PMID: 12682542 SCOPUS ID: 2-s2.0-0037388399 04/12/2003 61 Citations

Preoperative immune status determines anal condyloma recurrence after surgical excision. (de la Fuente SG, Ludwig KA, Mantyh CR) Dis Colon Rectum 2003 Mar;46(3):367-73 PMID: 12626913 SCOPUS ID: 2-s2.0-0037339180 03/11/2003 36 Citations

Gastrointestinal bleeding in adult patients with Meckel's diverticulum: the role of technetium 99m pertechnetate scan. (Lin S, Suhocki PV, Ludwig KA, Shetzline MA) South Med J 2002 Nov;95(11):1338-41 PMID: 12540005 SCOPUS ID: 2-s2.0-0036873459 01/24/2003 52 Citations

Colorectal cancer screening. Clinical practice guidelines in oncology. (Levin B, Ludwig KA, Steinbach G, National Comprehensive Cancer Network) J Natl Compr Canc Netw 2003 Jan;1(1):72-93 PMID: 19764152 SCOPUS ID: 2-s2.0-79959316443 01/01/2003 8 Citations

Open left colon resection (Ludwig KA, Touloukian C) Operative Techniques in General Surgery December 2003;5(4):199-213 SCOPUS ID: 2-s2.0-1642316185 01/01/2003 2 Citations

Retrorectal tumors (Ludwig KA, Reynolds HL) Clinics in Colon and Rectal Surgery November 2002;15(4):285-293 SCOPUS ID: 2-s2.0-0036870002 11/01/2002 4 Citations

Complete response to neoadjuvant chemoradiation for rectal cancer does not influence survival. (Onaitis MW, Noone RB, Fields R, Hurwitz H, Morse M, Jowell P, McGrath K, Lee C, Anscher MS, Clary B, Mantyh C, Pappas TN, Ludwig K, Seigler HF, Tyler DS) Ann Surg Oncol 2001 Dec;8(10):801-6 PMID: 11776494 SCOPUS ID: 2-s2.0-18244396398 01/05/2002 117 Citations

Neoadjuvant chemoradiation for rectal cancer: analysis of clinical outcomes from a 13-year institutional experience. (Onaitis MW, Noone RB, Hartwig M, Hurwitz H, Morse M, Jowell P, McGrath K, Lee C, Anscher MS, Clary B, Mantyh C, Pappas TN, Ludwig K, Seigler HF, Tyler DS) Ann Surg 2001 Jun;233(6):778-85 PMID: 11371736 PMCID: PMC1421320 SCOPUS ID: 2-s2.0-0034980242 05/24/2001 138 Citations

Peptide YY/neuropeptide Y Y1 receptor expression in the epithelium and mucosal nerves of the human colon. (Mannon PJ, Kanungo A, Mannon RB, Ludwig KA) Regul Pept 1999 Aug 31;83(1):11-9 PMID: 10498339 SCOPUS ID: 2-s2.0-0032767660 09/25/1999 25 Citations

Laparoscopic procedures in patients with Crohn's disease (Ludwig KA, Jerby BL) Seminars in Colon and Rectal Surgery 1999;10(2):85-93 SCOPUS ID: 2-s2.0-0032976183 07/12/1999

Management of colorectal-anal dysfunction. (Ludwig KA) Obstet Gynecol Clin North Am 1998 Dec;25(4):923-44, viii PMID: 9921564 SCOPUS ID: 2-s2.0-0031743327 01/28/1999 12 Citations

Invited editorial (Ludwig KA) Diseases of the Colon and Rectum September 1999;42(9):1194-1195 SCOPUS ID: 2-s2.0-85026181953 01/01/1999

Management of intrathoracic stomach with polypropylene mesh prosthesis reinforced transabdominal hiatus hernia repair. (Carlson MA, Condon RE, Ludwig KA, Schulte WJ) J Am Coll Surg 1998 Sep;187(3):227-30 PMID: 9740178 SCOPUS ID: 2-s2.0-0031668340 09/18/1998 152 Citations

Small bowel intussusception and laparoscopy. (Chekan EG, Westcott C, Low VH, Ludwig KA) Surg Laparosc Endosc 1998 Aug;8(4):324-6 PMID: 9703612 SCOPUS ID: 2-s2.0-0031871106 08/15/1998 22 Citations

Perioperative tumor localization for laparoscopic colorectal surgery. (Kim SH, Milsom JW, Church JM, Ludwig KA, Garcia-Ruiz A, Okuda J, Fazio VW) Surg Endosc 1997 Oct;11(10):1013-6 PMID: 9381339 SCOPUS ID: 2-s2.0-0031252705 10/08/1997 94 Citations

Laparoscopic total abdominal colectomy with ileorectal anastomosis for familial adenomatous polyposis. (Milsom JW, Ludwig KA, Church JM, Garcia-Ruiz A) Dis Colon Rectum 1997 Jun;40(6):675-8 PMID: 9194461 SCOPUS ID: 2-s2.0-0030972861 06/01/1997 76 Citations

Right colonic arterial anatomy. Implications for laparoscopic surgery. (Garćia-Ruiz A, Milsom JW, Ludwig KA, Marchesa P) Dis Colon Rectum 1996 Aug;39(8):906-11 PMID: 8756847 SCOPUS ID: 2-s2.0-0029768063 08/01/1996 63 Citations

Laparoscopic techniques for fecal diversion. (Ludwig KA, Milsom JW, Garcia-Ruiz A, Fazio VW) Dis Colon Rectum 1996 Mar;39(3):285-8 PMID: 8603549 SCOPUS ID: 2-s2.0-0029878861 03/01/1996 74 Citations

Preliminary experience with laparoscopic intestinal surgery for Crohn's disease. (Ludwig KA, Milsom JW, Church JM, Fazio VW) Am J Surg 1996 Jan;171(1):52-5; discussion 55-6 PMID: 8554151 SCOPUS ID: 2-s2.0-0030032213 01/01/1996 125 Citations

Shock-associated right colon ischemia and necrosis. (Ludwig KA, Quebbeman EJ, Bergstein JM, Wallace JR, Wittmann DH, Aprahamian C) J Trauma 1995 Dec;39(6):1171-4 PMID: 7500415 SCOPUS ID: 2-s2.0-0029614753 12/01/1995 39 Citations

Human colonic smooth muscle electrical activity during and after recovery from postoperative ileus. (Condon RE, Cowles VE, Ferraz AA, Carilli S, Carlson ME, Ludwig K, Tekin E, Ulualp K, Ezberci F, Shoji Y) Am J Physiol 1995 Sep;269(3 Pt 1):G408-17 PMID: 7573452 SCOPUS ID: 2-s2.0-0029101716 09/01/1995 27 Citations

Ventral hernia and other complications of 1,000 midline incisions. (Carlson MA, Ludwig KA, Condon RE) South Med J 1995 Apr;88(4):450-3 PMID: 7716599 SCOPUS ID: 2-s2.0-0028965452 04/01/1995 79 Citations

Laparoscopic management of a pancreatic pseudocyst. (Frantzides CT, Ludwig KA, Redlich PN) J Laparoendosc Surg 1994 Feb;4(1):55-9 PMID: 8173114 SCOPUS ID: 2-s2.0-0028288621 02/01/1994 24 Citations

Myoelectric motility patterns following open versus laparoscopic cholecystectomy. (Ludwig KA, Frantzides CT, Carlson MA, Grade KL) J Laparoendosc Surg 1993 Oct;3(5):461-6 PMID: 8251660 SCOPUS ID: 2-s2.0-0027372663 10/01/1993 16 Citations

Small bowel myoelectric activity in peritonitis. (Frantzides CT, Mathias C, Ludwig KA, Edmiston CE, Condon RE) Am J Surg 1993 Jun;165(6):681-5 PMID: 8506966 SCOPUS ID: 2-s2.0-0027179366 06/01/1993 7 Citations

Initial experience with laparoscopic appendectomy. (Ludwig KA, Cattey RP, Henry LG) Dis Colon Rectum 1993 May;36(5):463-7 PMID: 8482166 SCOPUS ID: 2-s2.0-0027311877 05/01/1993 14 Citations

Laparoscopic closure of gastric stab wounds: a case report. (Frantzides CT, Ludwig KA, Aprahamian C, Salaymeh B) Surg Laparosc Endosc 1993 Feb;3(1):63-6 PMID: 8258077 SCOPUS ID: 2-s2.0-0027452913 02/01/1993 16 Citations

Routine or selective intraoperative cholangiography in laparoscopic cholecystectomy. (Carlson MA, Ludwig KA, Frantzides CT, Cattey RP, Henry LG, Walker AP, Schulte WJ, Wilson SD) J Laparoendosc Surg 1993 Feb;3(1):27-33 PMID: 8453125 SCOPUS ID: 2-s2.0-0027512578 02/01/1993 26 Citations

Prophylactic antibiotics in surgery. (Ludwig KA, Carlson MA, Condon RE) Annu Rev Med 1993;44:385-93 PMID: 8476258 SCOPUS ID: 2-s2.0-0027461914 01/01/1993 41 Citations

Laparoscopic highly selective vagotomy: technique and case report. (Frantzides CT, Ludwig KA, Quebbeman EJ, Burhop J) Surg Laparosc Endosc 1992 Dec;2(4):348-52 PMID: 1341563 SCOPUS ID: 2-s2.0-0026609405 12/01/1992 17 Citations

Small bowel myoelectric activity in peritonitis (Frantzides CT, Mathias C, Ludwig KA, Edmiston CE, Condon RE) American Journal of Surgery 1992;164(6):681-685 SCOPUS ID: 2-s2.0-0027000778 12/01/1992 5 Citations

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Kirk A. Ludwig MD

Chief, Professor

Publications (156)