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Hany M, Torensma B, Zidan A, Ibrahim M, Abouelnasr AA, Agayby ASS, Sayed IE. Outcomes of primary versus conversional Roux-En-Y gastric bypass after laparoscopic sleeve gastrectomy: a retrospective propensity score-matched cohort study. BMC Surg 2024; 24:84. [PMID: 38448841 PMCID: PMC10919008 DOI: 10.1186/s12893-024-02374-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 02/27/2024] [Indexed: 03/08/2024] Open
Abstract
BACKGROUND Conversional surgery is common after laparoscopic sleeve gastrectomy (LSG) because of suboptimal weight loss (SWL) or poor responders and gastroesophageal reflux disease (GERD). Roux-en-Y gastric bypass (RYGB) is the most common conversional procedure after LSG. METHODS A retrospective cohort study analyzed patients who underwent primary RYGB (PRYGB) or conversional RYGB (CRYGB) at three specialized bariatric centers between 2008 and 2019 and tested for weight loss, resolution of GERD, food tolerance (FT), early and late complications, and the resolution of associated medical problems. This was analyzed by propensity score matching (PSM). RESULTS In total, 558 (PRYGB) and 155 (CRYGB) completed at least 2 years of follow-up. After PSM, both cohorts significantly decreased BMI from baseline (p < 0.001). The CRYGB group had an initially more significant mean BMI decrease of 6.095 kg/m2 at 6 months of follow-up (p < 0.001), while the PRYGB group had a more significant mean BMI decrease of 5.890 kg/m2 and 8.626 kg/m2 at 1 and 2 years, respectively (p < 0.001). Food tolerance (FT) improved significantly in the CRYGB group (p < 0.001), while CRYGB had better FT than PRYGB at 2 years (p < 0.001). A GERD resolution rate of 92.6% was recorded in the CRYGB (p < 0.001). Both cohorts had comparable rates of early complications (p = 0.584), late complications (p = 0.495), and reoperations (p = 0.398). Associated medical problems at 2 years significantly improved in both cohorts (p < 0.001). CONCLUSIONS CRYGB is a safe and efficient option in non- or poor responders after LSG, with significant weight loss and improvement in GERD. Moreover, PRYGB and CRYGB had comparable complications, reoperations, and associated medical problem resolution rates.
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Affiliation(s)
- Mohamed Hany
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Alexandria, 21561, Egypt.
- Consultant of bariatric surgery at Madina Women's hospital (IFSO-certified bariatric center), Alexandria, Egypt.
| | - Bart Torensma
- Clinical Epidemiologist, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - Ahmed Zidan
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Alexandria, 21561, Egypt
| | - Mohamed Ibrahim
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Alexandria, 21561, Egypt
| | - Anwar Ashraf Abouelnasr
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Alexandria, 21561, Egypt
| | - Ann Samy Shafiq Agayby
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Alexandria, 21561, Egypt
| | - Iman El Sayed
- Biomedical Informatics and Medical Statistics Department, Medical Research Institute, Alexandria University, Alexandria, Egypt
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Hany M, Zidan A, Ghozlan NA, Ghozlan MN, Abouelnasr AA, Sheta E, Hamed Y, Kholosy H, Soffar M, Midany WME, Torensma B. Comparison of Histological Skin Changes After Massive Weight Loss in Post-bariatric and Non-bariatric Patients. Obes Surg 2024; 34:855-865. [PMID: 38277086 PMCID: PMC10899414 DOI: 10.1007/s11695-024-07066-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 01/12/2024] [Accepted: 01/18/2024] [Indexed: 01/27/2024]
Abstract
BACKGROUND Changes in the skin structure, including the collagen and elastin content, have been reported with massive weight loss (MWL) following bariatric metabolic surgery (BMS) and have been correlated to a higher risk of complications after body-contouring surgery (BCS). This study aimed at comparing the histological characteristics of the skin of patients having surgical MWL (SMWL) post-BMS to those with non-surgical massive weight loss (NSMWL). METHODS This prospective study compared the epidermal thickness, and collagen and elastin fibers content in 80 skin biopsies obtained from BCS procedures performed to patients who experienced MWL defined more than 50% of excess weight loss (%EWL) either SMWL (40 biopsies) or NSMWL (40 biopsies). Twenty biopsies in each group were obtained from abdominoplasties and 20 from breast reductions. Epidermal thickness was measured in H&E-stained sections, collagen fibers were assessed using Masson trichrome-stained sections, and elastin fibers were assessed using Modified Verhoeff's stained sections. Image analysis software was used to calculate the fractions of collagen and elastin fibers. RESULTS This study included 77 patients, 38 SMWL patients, and 39 NSMWL patients. The SMWL group had a significantly higher age (p < 0.001), a longer time interval from intervention (p < 0.001), higher initial weight (p < 0.001), higher initial BMI (p < 0.001), lower current weight (p = 0.005), lower current BMI (p < 0.001), and significantly higher %EWL than NSMWL group (p < 0.001). No significant differences were detected between the two groups regarding complications after abdominoplasty (p = 1.000). The elastic fibers content in the dermis was significantly higher in the abdominal region of the NSMWL group than SMWL (p = 0.029). All other parameters showed non-significant differences between NSMWL and SMWL in the skin of abdomen and breast. CONCLUSION The SMWL group had a significant reduction in elastic fiber content in the skin of the abdomen compared to the NSMWL group. The collagen content was equally reduced in both groups with non-significant differences in both breast and abdomen regions in both groups.
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Affiliation(s)
- Mohamed Hany
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt.
- Madina Women's Hospital, Alexandria University, Alexandria, Egypt.
| | - Ahmed Zidan
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt
| | - Nasser A Ghozlan
- Plastic and Reconstructive Surgery - Alexandria University, Alexandria, Egypt
| | - Mohamed N Ghozlan
- Department of Plastic Surgery, Alexandria University, Alexandria, Egypt
| | - Anwar Ashraf Abouelnasr
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt
| | - Eman Sheta
- Pathology Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Yasser Hamed
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt
| | - Hassan Kholosy
- Department of Plastic Surgery, Alexandria University, Alexandria, Egypt
| | - Mohammed Soffar
- Department of Plastic Surgery, Alexandria University, Alexandria, Egypt
| | | | - Bart Torensma
- Leiden University Medical Center (LUMC), Leiden, The Netherlands
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Hany M, Zidan A, Abouelnasr AA, Ibrahim M, Torensma B. Managing the Complication of Band Erosion in Banded Sleeve Gastrectomy: A Case Report. Obes Surg 2024; 34:1052-1053. [PMID: 38206565 PMCID: PMC10899351 DOI: 10.1007/s11695-023-07041-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 12/24/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024]
Abstract
We present a case involving a patient with laparoscopic banded sleeve gastrectomy (BSG) with a 3-month history of persistent vomiting, decreased tolerance for fluids, and limited intake of soft food items. Upon investigation, an eroded band and gastric dilatation were identified. The treatment involved the removal of the eroded band and a segment of the stomach, followed by the restoration of gastric continuity through a gastrogastrostomy.
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Affiliation(s)
- Mohamed Hany
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt.
- Madina Women's Hospital, Alexandria University, Alexandria, Egypt.
| | - Ahmed Zidan
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt
| | - Anwar Ashraf Abouelnasr
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt
| | - Mohamed Ibrahim
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt
| | - Bart Torensma
- Clinical Epidemiologist, Leiden University Medical Center (LUMC), Leiden, The Netherlands
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Hany M, Sheta E, Talha A, Anwar M, Selima M, Gaballah M, Zidan A, Ibrahim M, Agayby ASS, Abouelnasr AA, Samir M, Torensma B. Incidence of persistent SARS-CoV-2 gut infection in patients with a history of COVID-19: Insights from endoscopic examination. Endosc Int Open 2024; 12:E11-E22. [PMID: 38188925 PMCID: PMC10769582 DOI: 10.1055/a-2180-9872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 09/21/2023] [Indexed: 01/09/2024] Open
Abstract
Background and study aims Gut infection is common during acute COVID-19, and persistent SARS-CoV-2 gut infection has been reported months after the initial infection, potentially linked to long-COVID syndrome. This study tested the incidence of persistent gut infection in patients with a history of COVID-19 undergoing endoscopic examination. Patients and methods Endoscopic biopsies were prospectively collected from patients with previous COVID-19 infection undergoing upper or lower gastrointestinal endoscopy (UGE or LGE). Immunohistochemistry was used to detect the presence of persistent SARS-CoV-2 nucleocapsid proteins. Results A total of 166 UGEs and 83 LGE were analyzed. No significant differences were observed between patients with positive and negative immunostaining regarding the number of previous COVID-19 infections, time since the last infection, symptoms, or vaccination status. The incidence of positive immunostaining was significantly higher in UGE biopsies than in LGE biopsies (37.34% vs. 16.87%, P =0.002). Smokers showed a significantly higher incidence of positive immunostaining in the overall cohort and UGE and LGE subgroups ( P <0.001). Diabetic patients exhibited a significantly higher incidence in the overall cohort ( P =0.002) and UGE subgroup ( P =0.022), with a similar trend observed in the LGE subgroup ( P =0.055). Conclusions Gut mucosal tissues can act as a long-term reservoir for SARS-CoV-2, retaining viral particles for months following the primary COVID-19 infection. Smokers and individuals with diabetes may be at an increased risk of persistent viral gut infection. These findings provide insights into the dynamics of SARS-CoV-2 infection in the gut and have implications for further research.
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Affiliation(s)
- Mohamed Hany
- Department of Surgery, Medical Research Institute, Alexandria University, Hadara, Alexandria 21561, Egypt
| | - Eman Sheta
- Department of Pathology, Alexandria University, Alexandria, Egypt
| | - Ahmed Talha
- Department of Surgery, Medical Research Institute, Alexandria University, Hadara, Alexandria 21561, Egypt
| | - Medhat Anwar
- Department of Surgery, Medical Research Institute, Alexandria University, Hadara, Alexandria 21561, Egypt
| | - Mohamed Selima
- Department of Surgery, Medical Research Institute, Alexandria University, Hadara, Alexandria 21561, Egypt
| | - Muhammad Gaballah
- Department of Surgery, Medical Research Institute, Alexandria University, Hadara, Alexandria 21561, Egypt
| | - Ahmed Zidan
- Department of Surgery, Medical Research Institute, Alexandria University, Hadara, Alexandria 21561, Egypt
| | - Mohamed Ibrahim
- Department of Surgery, Medical Research Institute, Alexandria University, Hadara, Alexandria 21561, Egypt
| | - Ann Samy Shafiq Agayby
- Department of Surgery, Medical Research Institute, Alexandria University, Hadara, Alexandria 21561, Egypt
| | - Anwar Ashraf Abouelnasr
- Department of Surgery, Medical Research Institute, Alexandria University, Hadara, Alexandria 21561, Egypt
| | - Mohamed Samir
- Department of Pathology, Alexandria University, Alexandria, Egypt
| | - Bart Torensma
- Epidemiology, Leiden University Medical Center, Leiden, Netherlands
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Hany M, Abouelnasr AA, Abdelkhalek MH, Ibrahim M, Aboelsoud MR, Hozien AI, Torensma B. Effects of obstructive sleep apnea on non-alcoholic fatty liver disease in patients with obesity: a systematic review. Int J Obes (Lond) 2023; 47:1200-1213. [PMID: 37696927 PMCID: PMC10663145 DOI: 10.1038/s41366-023-01378-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 08/16/2023] [Accepted: 08/30/2023] [Indexed: 09/13/2023]
Abstract
INTRODUCTION Obesity has been linked to non-alcoholic fatty liver disease (NAFLD), a widespread chronic liver ailment, as well as obstructive sleep apnea (OSA). The development of NAFLD is influenced by repeated intermittent hypoxia, a feature of OSA. METHODS This systematic review (SR) investigated CENTRAL, PubMed, and EMBASE databases. The endpoint of this SR was to assess which OSA-related indicators could predict the presence of NAFLD and the effect of bariatric metabolic surgery (BMS) on improving OSA and NAFLD over time. RESULTS Compared to previous SRs published in 2013, 14 new publications were added to our SR, alongside studies conducted prior to 2013. The SR ultimately included 28 studies (18 cross-sectional and 10 cohort trials). In the majority of studies, significant correlations were observed between OSA, OSA-related outcomes, and NAFLD. However, the apnea-hypopnea index (AHI) alone proved to be an inadequate predictor of NAFLD. Instead, respiratory and metabolic changes were found to alleviate oxidative stress induced by hypoxemia. Six studies involved patients who underwent BMS, with one evaluating patients before and after BMS, revealing associations between increased OSA and NAFLD improvement following BMS. Six months after surgery, 100% of patients in the mild-to-moderate OSA group were free from fatty liver, and an 89% reduction was observed in the severe OSA group. CONCLUSION For the first time, BMS has been tested in treating both OSA and NAFLD pre and postoperative with positive results. Further research, ideally with histological and functional data, is needed to confirm these findings. The SR identified 14 distinct liver outcome tests; however, high heterogeneity and incomplete data precluded a meta-analysis. It is imperative to pay greater attention to the influence of OSA-related factors and uniformity in liver outcomes testing concerning NAFLD. To accomplish this, study designs should be enhanced by incorporating more comprehensive pre- and postoperative evaluations, extending follow-up periods, and employing a more consistent methodology for liver diagnosis in patients with obesity.
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Affiliation(s)
- Mohamed Hany
- Department of Surgery, Medical Research Institute, Alexandria University, Alexandria Governorate, Egypt.
- Madina Women's Hospital (IFSO certified center, European chapter), Alexandria Governorate, Egypt.
| | - Anwar Ashraf Abouelnasr
- Department of Surgery, Medical Research Institute, Alexandria University, Alexandria Governorate, Egypt
| | | | - Mohamed Ibrahim
- Department of Surgery, Medical Research Institute, Alexandria University, Alexandria Governorate, Egypt
| | - Mostafa R Aboelsoud
- Department of Surgery, Medical Research Institute, Alexandria University, Alexandria Governorate, Egypt
| | - Adel Ibrahim Hozien
- Department of Anesthesia and pain management, Medical Research Institute Alexandria University, Alexandria Governorate, Egypt
| | - Bart Torensma
- Leiden University Medical Center (LUMC), Leiden, The Netherlands
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Hany M, Samir M, Ibrahim M, Zidan A, Agayby ASS, Abouelnasr AA, Torensma B. Management of Leak After Revision of Roux-en-Y Gastric Bypass for Weight Regain by Internal Pigtail Drainage. Obes Surg 2023; 33:2957-2959. [PMID: 37466829 PMCID: PMC10435638 DOI: 10.1007/s11695-023-06731-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 07/03/2023] [Accepted: 07/13/2023] [Indexed: 07/20/2023]
Affiliation(s)
- Mohamed Hany
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt.
- Madina Women's Hospital, Alexandria University, Alexandria, Egypt.
| | - Mohamed Samir
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt
| | - Mohamed Ibrahim
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt
| | - Ahmed Zidan
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt
| | - Ann Samy Shafiq Agayby
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt
| | - Anwar Ashraf Abouelnasr
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt
| | - Bart Torensma
- Leiden University Medical Center (LUMC), Leiden, The Netherlands
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Hany M, Zidan A, Abouelnasr AA, Ibrahim M, Torensma B. Multimedia Exploration of a Complication Caused by a "Rogue" Barbed Suture. Obes Surg 2023; 33:2960-2962. [PMID: 37498490 PMCID: PMC10435594 DOI: 10.1007/s11695-023-06735-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/13/2023] [Accepted: 07/14/2023] [Indexed: 07/28/2023]
Affiliation(s)
- Mohamed Hany
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt.
- Madina Women's Hospital, Alexandria University, Alexandria, Egypt.
| | - Ahmed Zidan
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt
| | - Anwar Ashraf Abouelnasr
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt
| | - Mohamed Ibrahim
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt
| | - Bart Torensma
- Leiden University Medical Center (LUMC), Leiden, The Netherlands
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Hany M, Ibrahim M, Abouelnasr AA, Torensma B. Conversion of Open Unclassical Bariatric Metabolic Surgery into Laparoscopic Roux-en-Y Gastric Bypass: a Multimedia Article. Obes Surg 2023; 33:2954-2956. [PMID: 37422550 PMCID: PMC10435391 DOI: 10.1007/s11695-023-06724-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 06/24/2023] [Accepted: 06/28/2023] [Indexed: 07/10/2023]
Affiliation(s)
- Mohamed Hany
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt.
- Madina Women's Hospital, Alexandria, Egypt.
| | - Mohamed Ibrahim
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt
| | - Anwar Ashraf Abouelnasr
- Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, Alexandria, 21561, Egypt
| | - Bart Torensma
- Leiden University Medical Center (LUMC), Leiden, Netherlands
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Hany M, Abouelnasr AA, Agayby ASS, Abdelsattar A, Torensma B. Towards Zero Thromboembolic Events After Bariatric Metabolic Surgery. Obes Surg 2023; 33:1606-1612. [PMID: 36869255 PMCID: PMC10156778 DOI: 10.1007/s11695-023-06511-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 02/08/2023] [Accepted: 02/15/2023] [Indexed: 03/05/2023]
Affiliation(s)
- Mohamed Hany
- Department of Surgery, Medical Research Institute, Alexandria University, Alexandria, Egypt. .,Department of Bariatric Surgery at Madina Women's Hospital (IFSO Center of Excellence), Alexandria, Egypt.
| | | | - Ann Samy Shafiq Agayby
- Department of Surgery, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | | | - Bart Torensma
- Leiden University Medical Center (LUMC), Leiden, The Netherlands
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Hany M, Zidan A, Gaballa M, Ibrahim M, Agayby ASS, Abouelnasr AA, Sheta E, Torensma B. Lingering SARS-CoV-2 in Gastric and Gallbladder Tissues of Patients with Previous COVID-19 Infection Undergoing Bariatric Surgery. Obes Surg 2023; 33:139-148. [PMID: 36316598 PMCID: PMC9628579 DOI: 10.1007/s11695-022-06338-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 10/13/2022] [Accepted: 10/18/2022] [Indexed: 11/07/2022]
Abstract
BACKGROUND Lingering severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in gut tissue might be a source of infection during bariatric surgery. This study aimed to confirm the presence of SARS-CoV-2 nucleocapsid in gastric and gallbladder tissues removed during bariatric surgery in individuals previously infected with coronavirus disease 2019 (COVID-19) who had negative polymerase chain reaction results prior to the surgery. METHODS Gastric and gallbladder specimens from 80 patients who underwent bariatric surgery between November 2021 and May 2022 and had a history of COVID-19 infection with gastrointestinal symptoms were examined for the presence of lingering SARS-CoV-2 nucleocapsid proteins using immunohistochemistry. RESULTS Gastric specimens from 26 (32.5%) patients and 4 (100%) cholecystectomy specimens showed positive cytoplasmic staining for the anti-SARS-CoV-2 nucleocapsid protein in surface mucosal epithelial cells. The mean age was 37.8 ± 10.3 years. The average body mass index was 44.2 ± 7.0 kg/m2; most of the patients were females (71.3%). The positive staining group was significantly younger than the negative staining group (p = 0.007). The full-dose vaccination rate was 58.8%, with a median of 91 days after the last vaccine dose. A positive serological anti-spike IgG response was observed in 99% of the patients. The median time between initial COVID-19 infection and surgery was 274 and 380 days in the positive and negative staining groups, respectively (p = 0.371). CONCLUSION Gastric and gallbladder tissues can retain SARS-CoV-2 particles for a long time after COVID-19 infection, handling stomach specimens from patients during an operation must be done with care, as we usually do, but now with the knowledge that in 1/3 of patients they can be present. Performing LSG on post-COVID patients did not seem to increase perioperative morbidity.
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Affiliation(s)
- Mohamed Hany
- grid.7155.60000 0001 2260 6941Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, 21561 Alexandria Egypt ,Madina Women’s Hospital, Alexandria, Egypt
| | - Ahmed Zidan
- grid.7155.60000 0001 2260 6941Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, 21561 Alexandria Egypt
| | - Muhammad Gaballa
- grid.7155.60000 0001 2260 6941Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, 21561 Alexandria Egypt
| | - Mohamed Ibrahim
- grid.7155.60000 0001 2260 6941Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, 21561 Alexandria Egypt
| | - Ann Samy Shafiq Agayby
- grid.7155.60000 0001 2260 6941Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, 21561 Alexandria Egypt
| | - Anwar Ashraf Abouelnasr
- grid.7155.60000 0001 2260 6941Department of Surgery, Medical Research Institute, Alexandria University, 165 Horreya Avenue, Hadara, 21561 Alexandria Egypt
| | - Eman Sheta
- grid.7155.60000 0001 2260 6941Pathology Department, Alexandria University, Alexandria, Egypt
| | - Bart Torensma
- grid.10419.3d0000000089452978Leiden University Medical Center (LUMC), Leiden, The Netherlands
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