1.Total robotic transhiatal excision for a large left-sided esophageal epiphrenic diverticulum: a case report
Sanjamjot SINGH ; Kaushal Singh RATHORE ; B SELVAKUMAR ; Vaibhav Kumar VARSHNEY ; Lokesh AGARWAL ; Subhash SONI ; Peeyush VARSHNEY ; Sabir HUSSAIN
Journal of Minimally Invasive Surgery 2025;28(1):42-46
		                        		
		                        			
		                        			 Surgery for a symptomatic epiphrenic esophageal diverticulum (EED) typically involves a diverticulectomy with myotomy and partial fundoplication. A 54-year-old male patients presented with postprandial retrosternal pain and regurgitation. A contrast-enhanced computed tomography scan revealed an 8 × 6 × 7 cm left-sided EED. We planned the EED excision using the da Vinci Xi robot (Intuitive Surgical) from an abdominal transhiatal approach.The lower esophagus was looped, followed by the mobilization of the diverticulum and division of its neck using a robotic stapler. A 7-cm long esophagogastric myotomy was performed on the right side with a Toupet fundoplication. The total operative time was 240 minutes with a blood loss of 200 mL. An oral contrast study on postoperative day 1 showed no leak, and the patient was discharged the next day on an oral soft diet. The robotic transhiatal approach to treat EED is safe and may successfully overcome the difficulties of exposure and reach encountered in conventional laparoscopic surgery. 
		                        		
		                        		
		                        		
		                        	
2.Total robotic transhiatal excision for a large left-sided esophageal epiphrenic diverticulum: a case report
Sanjamjot SINGH ; Kaushal Singh RATHORE ; B SELVAKUMAR ; Vaibhav Kumar VARSHNEY ; Lokesh AGARWAL ; Subhash SONI ; Peeyush VARSHNEY ; Sabir HUSSAIN
Journal of Minimally Invasive Surgery 2025;28(1):42-46
		                        		
		                        			
		                        			 Surgery for a symptomatic epiphrenic esophageal diverticulum (EED) typically involves a diverticulectomy with myotomy and partial fundoplication. A 54-year-old male patients presented with postprandial retrosternal pain and regurgitation. A contrast-enhanced computed tomography scan revealed an 8 × 6 × 7 cm left-sided EED. We planned the EED excision using the da Vinci Xi robot (Intuitive Surgical) from an abdominal transhiatal approach.The lower esophagus was looped, followed by the mobilization of the diverticulum and division of its neck using a robotic stapler. A 7-cm long esophagogastric myotomy was performed on the right side with a Toupet fundoplication. The total operative time was 240 minutes with a blood loss of 200 mL. An oral contrast study on postoperative day 1 showed no leak, and the patient was discharged the next day on an oral soft diet. The robotic transhiatal approach to treat EED is safe and may successfully overcome the difficulties of exposure and reach encountered in conventional laparoscopic surgery. 
		                        		
		                        		
		                        		
		                        	
3.Total robotic transhiatal excision for a large left-sided esophageal epiphrenic diverticulum: a case report
Sanjamjot SINGH ; Kaushal Singh RATHORE ; B SELVAKUMAR ; Vaibhav Kumar VARSHNEY ; Lokesh AGARWAL ; Subhash SONI ; Peeyush VARSHNEY ; Sabir HUSSAIN
Journal of Minimally Invasive Surgery 2025;28(1):42-46
		                        		
		                        			
		                        			 Surgery for a symptomatic epiphrenic esophageal diverticulum (EED) typically involves a diverticulectomy with myotomy and partial fundoplication. A 54-year-old male patients presented with postprandial retrosternal pain and regurgitation. A contrast-enhanced computed tomography scan revealed an 8 × 6 × 7 cm left-sided EED. We planned the EED excision using the da Vinci Xi robot (Intuitive Surgical) from an abdominal transhiatal approach.The lower esophagus was looped, followed by the mobilization of the diverticulum and division of its neck using a robotic stapler. A 7-cm long esophagogastric myotomy was performed on the right side with a Toupet fundoplication. The total operative time was 240 minutes with a blood loss of 200 mL. An oral contrast study on postoperative day 1 showed no leak, and the patient was discharged the next day on an oral soft diet. The robotic transhiatal approach to treat EED is safe and may successfully overcome the difficulties of exposure and reach encountered in conventional laparoscopic surgery. 
		                        		
		                        		
		                        		
		                        	
4.Impact of nasogastric tube exclusion after minimally invasive esophagectomy for esophageal cancer: a single-center retrospective study in India
Vignesh N ; Vaibhav Kumar VARSHNEY ; Selvakumar B ; Subhash SONI ; Peeyush VARSHNEY ; Lokesh AGARWAL
Journal of Minimally Invasive Surgery 2024;27(1):23-32
		                        		
		                        			 Purpose:
		                        			This study examines the impacts of omitting nasogastric tube (NGT) placement following cervical esophagogastric anastomosis (CEGA) in Enhanced Recovery After Surgery (ERAS) protocols, comparing outcomes to those from early NGT removal. 
		                        		
		                        			Methods:
		                        			In a retrospective cohort of esophagectomy patients treated for esophageal cancer, participants were divided into two groups: group 1 had the NGT inserted post-CEGA and removed by postoperative day 3, while group 2 underwent the procedure without NGT placement. We primarily investigated anastomotic leak rates, also analyzing hospital stay duration, pulmonary complications, and NGT reinsertion. 
		                        		
		                        			Results:
		                        			Among 50 esophageal squamous cell carcinoma patients, 30 in group I were compared with 20 in group II. The baseline demographic and tumor characteristics were similar between both groups. The overall incidence of anastomotic leak was 14.0%, comparable in both groups (16.7% vs. 10.0%, p = 0.63). The postoperative hospital stay was significantly shorter in the no NGT group (median of 7 days vs. 6 days, p = 0.03) with similar major morbidity (Clavien-Dindo grade ≥IIIa; 13.3% vs. 5.0%, p = 0.63). There was no 30-day mortality, and one patient in each group had reinsertion of NGT for conduit dilatation. 
		                        		
		                        			Conclusion
		                        			The exclusion of an NGT across CEGA after esophagectomy did not influence the anastomotic leak rate with comparable complications and a shorter hospital stay. 
		                        		
		                        		
		                        		
		                        	
5.Interferon-gamma release assay has poor diagnostic accuracy in differentiating intestinal tuberculosis from Crohn’s disease in tuberculosis endemic areas
Karan SACHDEVA ; Peeyush KUMAR ; Bhaskar KANTE ; Sudheer K. VUYYURU ; Srikant MOHTA ; Mukesh K. RANJAN ; Mukesh K. SINGH ; Mahak VERMA ; Govind MAKHARIA ; Saurabh KEDIA ; Vineet AHUJA
Intestinal Research 2023;21(2):226-234
		                        		
		                        			 Background/Aims:
		                        			Intestinal tuberculosis (ITB) and Crohn’s disease (CD) frequently present with a diagnostic dilemma because of similar presentation. Interferon-gamma release assay (IGRA) has been used in differentiating ITB from CD, but with sparse reports on its diagnostic accuracy in tuberculosis endemic regions and this study evaluated the same. 
		                        		
		                        			Methods:
		                        			Patients with definitive diagnosis of ITB (n=59) or CD (n=49) who underwent IGRA testing (n=307) were retrospectively included at All India Institute of Medical Sciences, New Delhi (July 2014 to September 2021). CD or ITB was diagnosed as per standard criteria. IGRA was considered positive at >0.35 IU/mL.Relevant data was collected and IGRA results were compared between ITB and CD to determine its accuracy. 
		                        		
		                        			Results:
		                        			Among 59 ITB patients (mean age, 32.6±13.1 years; median disease duration, 1 year; male, 59.3%), 24 were positive and 35 tested negative for IGRA. Among 49 CD patients (mean age, 37.8±14.0; median disease duration, 4 years; male, 61.2%), 12 were positive and 37 tested negative for IGRA. Hence, for diagnosing ITB, IGRA showed a sensitivity, specificity, positive and negative predictive values of 40.68%, 75.51%, 66.67%, and 51.39%, respectively. The area under the curve of IGRA for ITB diagnosis was 0.66 (95% confidence interval, 0.55–0.75). In a subset (n=64), tuberculin skin test (TST) showed sensitivity, specificity, positive and negative predictive values of 64.7%, 73.3%, 73.3%, and 64.71%, respectively. IGRA and TST were concordant in 38 (59.4%) patients with κ=0.17. 
		                        		
		                        			Conclusions
		                        			In a tuberculosis endemic region, IGRA had poor diagnostic accuracy for differentiating ITB from CD, suggesting a limited value of IGRA in this setting. 
		                        		
		                        		
		                        		
		                        	
6.Serum albumin is the strongest predictor of anti-tumor necrosis factor nonresponse in inflammatory bowel disease in resource-constrained regions lacking therapeutic drug monitoring
Peeyush KUMAR ; Sudheer K. VUYYURU ; Prasenjit DAS ; Bhaskar KANTE ; Mukesh Kumar RANJAN ; David Mathew THOMAS ; Sandeep MUNDHRA ; Pabitra SAHU ; Pratap Mouli VENIGALLA ; Saransh JAIN ; Sandeep GOYAL ; Rithvik GOLLA ; Shubi VIRMANI ; Mukesh K. SINGH ; Karan SACHDEVA ; Raju SHARMA ; Nihar Ranjan DASH ; Govind MAKHARIA ; Saurabh KEDIA ; Vineet AHUJA
Intestinal Research 2023;21(4):460-470
		                        		
		                        			 Background/Aims:
		                        			Evidence on predictors of primary nonresponse (PNR), and secondary loss of response (SLR) to anti-tumor necrosis factor (anti-TNF) agents in inflammatory bowel disease is scarce from Asia. We evaluated clinical/biochemical/molecular markers of PNR/SLR in ulcerative colitis (UC) and Crohn’s disease (CD). 
		                        		
		                        			Methods:
		                        			Inflammatory bowel disease patients treated with anti-TNF agents (January 2005–October 2020) were ambispectively included. Data concerning clinical and biochemical predictors was retrieved from a prospectively maintained database. Immunohistochemistry for expression of oncostatin M (OSM), OSM receptor (OSM-R), and interleukin-7 receptor (IL-7R) were done on pre anti-TNF initiation mucosal biopsies. 
		                        		
		                        			Results:
		                        			One-hundred eighty-six patients (118 CD, 68 UC: mean age, 34.1±13.7 years; median disease duration at anti-TNF initiation, 60 months; interquartile range, 28–100.5 months) were included. PNR was seen in 17% and 26.5% and SLR in 47% and 28% CD and UC patients, respectively. In CD, predictors of PNR were low albumin (P<0.001), postoperative recurrence (P=0.001) and high IL-7R expression (P<0.027) on univariate; and low albumin alone (hazard ratio [HR], 0.09; 95% confidence interval [CI], 0.03–0.28; P<0.001) on multivariate analysis respectively. Low albumin (HR, 0.31; 95% CI, 0.15–0.62; P=0.001) also predicted SLR. In UC, predictors of PNR were low albumin (P<0.001), and high C-reactive protein (P<0.001), OSM (P<0.04) and OSM-R (P=0.07) stromal expression on univariate; and low albumin alone (HR, 0.11; 95% CI, 0.03–0.39; P=0.001) on multivariate analysis respectively. 
		                        		
		                        			Conclusions
		                        			Low serum albumin at baseline significantly predicted PNR in UC and PNR/SLR in CD patients. Mucosal markers of PNR were high stromal OSM/OSM-R in UC and high IL-7R in CD patients. 
		                        		
		                        		
		                        		
		                        	
7.Open injury, robotic repair—moving ahead! Total robotic Roux-en-Y hepaticojejunostomy for post-open cholecystectomy Bismuth type 2 biliary stricture using indocyanine green dye
Kaushal Singh RATHORE ; Peeyush VARSHNEY ; Subhash Chandra SONI ; Vaibhav Kumar VARSHNEY ; Selvakumar B ; Lokesh AGARWAL ; Chhagan Lal BIRDA
Journal of Minimally Invasive Surgery 2023;26(3):151-154
		                        		
		                        			
		                        			 Hepaticojejunostomy is currently the best treatment for post-cholecystectomy biliary strictures. Laparoscopic repair has not gained popularity due to difficult reconstruction. We present case of 43-year-old-female with Bismuth type 2 stricture following laparoscopic converted open cholecystectomy with bile duct injury done elsewhere. Position was modified Llyod-Davis position and four 8-mm robotic ports (including camera) and 12-mm assistant port were placed. The procedure included noticeable steps such as adhesiolysis, identification of gallbladder fossa, identification of common hepatic duct, lowering of hilar plate etc. Operating and console time were 420 and 350 minutes and blood loss was 100 mL. Patient was discharged on postoperative day 4. Robotic repair (hepaticojejunostomy) of biliary tract stricture after cholecystectomy is safe and feasible with good outcomes. 
		                        		
		                        		
		                        		
		                        	
8.Laparoscopic Witzel feeding jejunostomy: a procedure overlooked!
Peeyush VARSHNEY ; Vignesh N ; Vaibhav Kumar VARSHNEY ; Subhash SONI ; Selvakumar B ; Lokesh AGARWAL ; Ashish SWAMI
Journal of Minimally Invasive Surgery 2023;26(1):28-34
		                        		
		                        			 Purpose:
		                        			Feeding jejunostomy (FJ) is a critical procedure to establish a source of enteral nutrition for upper gastrointestinal disorders. Minimally invasive surgery has the inherent benefit of better patient outcomes, less postoperative pain, and early discharge. This study aims to describe our total laparoscopic technique of Witzel FJ and to compare its outcome with its open counterpart. 
		                        		
		                        			Methods:
		                        			A retrospective database analysis was performed in patients who underwent laparoscopic (n = 20) and open (n = 21) FJ as a stand-alone procedure from July 2018 to July 2022. A readily available nasogastric tube (Ryles tube) and routine laparoscopic instruments were used to perform laparoscopic FJ. Perioperative data and postoperative outcomes were analyzed. 
		                        		
		                        			Results:
		                        			Baseline preoperative variables were comparable in both groups. The median operative duration in the laparoscopic FJ group was 180 minutes vs. 60 minutes in the open FJ group (p = 0.01). Postoperative length of hospital stay was 3 days vs. 4 days in the laparoscopic and open FJ groups, respectively (p = 0.08). Four patients in the open FJ group suffered from an immediate postoperative complication (none in the laparoscopic FJ group). After a median follow-up of 10 months, fewer patients in the laparoscopic FJ group had complications such as tube clogging, tube dislodgement, surgical-site infection, and small bowel obstruction. 
		                        		
		                        			Conclusion
		                        			Laparoscopic FJ with the Witzel technique is a safe and feasible procedure with a comparable outcome to the open technique. Patient selection is vital to overcome the initial learning curve. 
		                        		
		                        		
		                        		
		                        	
9.Correlation of fecal calprotectin and patient-reported outcome measures in patients with ulcerative colitis
Nagesh KAMAT ; Sudheer K VUYYURU ; Saurabh KEDIA ; Pabitra SAHU ; Bhaskar KANTE ; Peeyush KUMAR ; Mukesh Kumar RANJAN ; Mukesh Kumar SINGH ; Sambuddha KUMAR ; Vikas SACHDEV ; Govind MAKHARIA ; Vineet AHUJA
Intestinal Research 2022;20(2):269-273
		                        		
		                        		
		                        		
		                        	
10.Robotic-assisted resection of proximal jejunal ischemic stricture and intracorporeal robot-sewn anastomosis
Vishu JAIN ; Peeyush VARSHNEY ; Subhash Chandra SONI ; Vaibhav Kumar VARSHNEY ; B SELVAKUMAR
Journal of Minimally Invasive Surgery 2022;25(4):152-157
		                        		
		                        			
		                        			 With the advent of robotic surgery as an effective means of minimally invasive surgery in the last decade, more and more surgeries are being performed robotically in today’s world. Robotic surgery has several advantages over conventional laparoscopic surgery, such as three-dimensional vision with depth perception, magnified view, tremor filtration, and, more importantly, degrees of freedom of the articulating instruments. While the literature is abundant on robotic cholecystectomy and highly complex hepatobiliary surgeries, there is hardly any literature on robotic small bowel resection with intracorporeal anastomosis. We present a case of a 50-year-old male patient with a symptomatic proximal jejunal ischemic stricture who underwent robotic-assisted resection and robot-sewn intracorporeal anastomosis in two layers. He did well in the postoperative period and was discharged on postoperative day 4 with uneventful recovery. We hereby discuss the advantages and disadvantages of robotic surgery in such a scenario with a review of the literature. 
		                        		
		                        		
		                        		
		                        	
            
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