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Bauer DJM, Nixdorf L, Dominik N, Schwarz M, Hofer BS, Hartl L, Semmler G, Jachs M, Simbrunner B, Jedamzik J, Mozayani B, Gensthaler L, Felsenreich DM, Trauner M, Langer FB, Mandorfer M, Prager G, Reiberger T. The deep abdominal ultrasound transducer (DAX) increases the success rate and diagnostic accuracy of shear wave elastography for liver fibrosis assessment in patients with obesity-A prospective biopsy-controlled study. Aliment Pharmacol Ther 2024. [PMID: 38693718 DOI: 10.1111/apt.18019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 12/10/2023] [Accepted: 04/13/2024] [Indexed: 05/03/2024]
Abstract
BACKGROUND Obesity impacts the diagnostic accuracy of shear wave elastography (SWE). A deep abdominal ultrasound transducer (DAX) capable of point (pSWE) and two-dimensional (2D)-SWE has recently been introduced to address this issue. METHODS We performed a prospective study in a cohort of mostly patients with obesity undergoing liver biopsy with a high prevalence of metabolic dysfunction-associate steatotic liver disease (MASLD). Liver stiffness measurement (LSM) was measured using vibration-controlled transient elastography (VCTE), as well as pSWE and 2D SWE on the standard (5C1) and the DAX transducers. RESULTS We included 129 patients with paired LSM and liver biopsy: median age 44.0 years, 82 (63.6%) women, median BMI: 43.2 kg/m2. Histologic fibrosis stages: F0: N = 55 (42.6%), F1: N = 14 (10.9%), F2: N = 50 (38.8%), F3: N = 2 (1.6%), F4: N = 8 (6.2%). VCTE-LSM failed (N = 13) or were unreliable (IQR/median ≤30% in ≥7.1 kPa, N = 14) in 20.9% of patients. The Pearson correlation of reliable VCTE-LSM with both pSWE and 2D SWE was strong (all >0.78). The diagnostic accuracy for all LSM techniques was poor for significant fibrosis (≥F2, AUC: 0.54-0.63); however, it was good to excellent for advanced fibrosis (≥F3, AUC: 0.87-0.99) and cirrhosis (F4, AUC: 0.86-1.00). In intention-to-diagnose analysis, pSWE on DAX was significantly superior to VCTE-LSM. CONCLUSIONS pSWE- and 2D-SWE enable the non-invasive identification of advanced fibrosis and cirrhosis in patients with obese MASLD. The use of the DAX transducer for acoustic radiation force imaging (ARFI)-LSM avoids technical failures in an obese population and subsequently offers advantages over VCTE-LSM for the evaluation of fibrosis in an obese MASLD population at risk for fibrosis.
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Affiliation(s)
- David J M Bauer
- Division of Gastroenterology and Hepatology, Department of Medicine III, Medical University of Vienna, Vienna, Austria
- Vienna HIV & Liver Study Group, Medical University of Vienna, Vienna, Austria
- Department of Internal Medicine IV, Klinik Ottakring, Vienna, Austria
| | - Larissa Nixdorf
- Division of General Surgery and Metabolic- and Bariatric Surgery, Department of Surgery, Medical University of Vienna, Vienna, Austria
| | - Nina Dominik
- Division of Gastroenterology and Hepatology, Department of Medicine III, Medical University of Vienna, Vienna, Austria
- Vienna HIV & Liver Study Group, Medical University of Vienna, Vienna, Austria
| | - Michael Schwarz
- Division of Gastroenterology and Hepatology, Department of Medicine III, Medical University of Vienna, Vienna, Austria
- Vienna HIV & Liver Study Group, Medical University of Vienna, Vienna, Austria
| | - Benedikt S Hofer
- Division of Gastroenterology and Hepatology, Department of Medicine III, Medical University of Vienna, Vienna, Austria
- Vienna HIV & Liver Study Group, Medical University of Vienna, Vienna, Austria
| | - Lukas Hartl
- Division of Gastroenterology and Hepatology, Department of Medicine III, Medical University of Vienna, Vienna, Austria
- Vienna HIV & Liver Study Group, Medical University of Vienna, Vienna, Austria
| | - Georg Semmler
- Division of Gastroenterology and Hepatology, Department of Medicine III, Medical University of Vienna, Vienna, Austria
- Vienna HIV & Liver Study Group, Medical University of Vienna, Vienna, Austria
| | - Mathias Jachs
- Division of Gastroenterology and Hepatology, Department of Medicine III, Medical University of Vienna, Vienna, Austria
- Vienna HIV & Liver Study Group, Medical University of Vienna, Vienna, Austria
| | - Benedikt Simbrunner
- Division of Gastroenterology and Hepatology, Department of Medicine III, Medical University of Vienna, Vienna, Austria
- Vienna HIV & Liver Study Group, Medical University of Vienna, Vienna, Austria
| | - Julia Jedamzik
- Division of General Surgery and Metabolic- and Bariatric Surgery, Department of Surgery, Medical University of Vienna, Vienna, Austria
| | - Behrang Mozayani
- Clinical Institute of Pathology, Medical University of Vienna, Vienna, Austria
| | - Lisa Gensthaler
- Division of General Surgery and Metabolic- and Bariatric Surgery, Department of Surgery, Medical University of Vienna, Vienna, Austria
| | - Daniel Moritz Felsenreich
- Division of General Surgery and Metabolic- and Bariatric Surgery, Department of Surgery, Medical University of Vienna, Vienna, Austria
| | - Michael Trauner
- Division of Gastroenterology and Hepatology, Department of Medicine III, Medical University of Vienna, Vienna, Austria
| | - Felix Benedikt Langer
- Division of General Surgery and Metabolic- and Bariatric Surgery, Department of Surgery, Medical University of Vienna, Vienna, Austria
| | - Mattias Mandorfer
- Division of Gastroenterology and Hepatology, Department of Medicine III, Medical University of Vienna, Vienna, Austria
- Vienna HIV & Liver Study Group, Medical University of Vienna, Vienna, Austria
| | - Gerhard Prager
- Division of General Surgery and Metabolic- and Bariatric Surgery, Department of Surgery, Medical University of Vienna, Vienna, Austria
| | - Thomas Reiberger
- Division of Gastroenterology and Hepatology, Department of Medicine III, Medical University of Vienna, Vienna, Austria
- Vienna HIV & Liver Study Group, Medical University of Vienna, Vienna, Austria
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Felsenreich DM, Zach ML, Vock N, Jedamzik J, Eichelter J, Mairinger M, Gensthaler L, Nixdorf L, Richwien P, Bichler C, Kristo I, Langer FB, Prager G. Esophageal function and non-acid reflux evaluated by impedance-24 h-pH-metry, high-resolution manometry, and gastroscopy after one-anastomosis gastric bypass-outcomes of a prospective mid-term study. Surg Endosc 2023; 37:3832-3841. [PMID: 36693919 PMCID: PMC10156623 DOI: 10.1007/s00464-022-09857-9] [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: 09/29/2022] [Accepted: 12/27/2022] [Indexed: 01/26/2023]
Abstract
BACKGROUND One-Anastomosis Gastric Bypass (OAGB) is the third most common bariatric operation for patients with obesity worldwide. One concern about OAGB is the presence of acid and non-acid reflux in a mid- and long-term follow-up. The aim of this study was to objectively evaluate reflux and esophagus motility by comparing preoperative and postoperative mid-term outcomes. SETTING Cross-sectional study; University-hospital based. METHODS This study includes primary OAGB patients (preoperative gastroscopy, high-resolution manometry (HRM), and impedance-24 h-pH-metry) operated at Medical University of Vienna before 31st December 2017. After a mean follow-up of 5.1 ± 2.3 years, these examinations were repeated. In addition, history of weight, remission of associated medical problems (AMP), and quality of life (QOL) were evaluated. RESULTS A total of 21 patients were included in this study and went through all examinations. Preoperative weight was 124.4 ± 17.3 kg with a BMI of 44.7 ± 5.6 kg/m2, total weight loss after 5.1 ± 2.3 years was 34.4 ± 8.3%. In addition, remission of AMP and QOL outcomes were very satisfactory in this study. In gastroscopy, anastomositis, esophagitis, Barrett´s esophagus, and bile in the pouch were found in: 38.1%, 28.3%, 9.5%, and 42.9%. Results of HRM of the lower esophageal sphincter pressure were 28.0 ± 15.6 mmHg, which are unchanged compared to preoperative values. Nevertheless, in the impedance-24 h-pH-metry, acid exposure time and DeMeester score decreased significantly to 1.2 ± 1.2% (p = 0.004) and 7.5 ± 8.9 (p = 0.017). Further, the total number of refluxes were equal to preoperative; however, the decreased acid refluxes were replaced by non-acid refluxes. CONCLUSION This study has shown decreased rates of acid reflux and increased non-acid reflux after a mid-term outcome of primary OAGB patients. Gastroscopy showed signs of chronic irritation of the gastrojejunostomy, pouch, and distal esophagus, even in asymptomatic patients. Follow-up gastroscopies in OAGB patients after 5 years may be considered.
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Affiliation(s)
- D M Felsenreich
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria
| | - M L Zach
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria
| | - N Vock
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria
| | - J Jedamzik
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria
| | - J Eichelter
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria
| | - M Mairinger
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria
| | - L Gensthaler
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria
| | - L Nixdorf
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria
| | - P Richwien
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria
| | - C Bichler
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria
| | - I Kristo
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria
| | - F B Langer
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria
| | - G Prager
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria.
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Felsenreich DM, Artemiou E, Wintersteller L, Jedamzik J, Eichelter J, Gensthaler L, Bichler C, Sperker C, Beckerhinn P, Kristo I, Langer FB, Prager G. Fifteen Years after Sleeve Gastrectomy: Gastroscopies, Manometries, and 24-h pH-Metries in a Long-Term Follow-Up: A Multicenter Study. Obes Facts 2022; 15:666-673. [PMID: 35882187 PMCID: PMC9669976 DOI: 10.1159/000526170] [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: 05/06/2022] [Accepted: 06/30/2022] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION Sleeve gastrectomy (SG) is the most common bariatric operation with over 340,000 procedures per year. There are only few studies presenting follow-up results >10 years in the literature today. The aim of this study was the objective evaluation of long-term outcomes of at least 15 years after SG in non-converted patients. METHODS This study (multicenter cross-sectional; university-hospital based) includes all non-converted patients with primary SG before December 2005 at participating bariatric centers. The following methods were used: gastroscopy, esophageal manometry, 24-h pH-metry, and Gastrointestinal Quality of Life Index (GIQLI). RESULTS After removing converted patients, patients with bariatric procedures before SG, and deceased patients from the cohort, 20 of 53 participants have met the inclusion criteria. Of this group, 55% are suffering from symptomatic gastroesophageal reflux disease (GERD); 45% are without GERD. Esophagitis, hiatal hernias, Barrett's esophagus, and enlarged sleeves were found in 44%, 50%, 13%, and 69% of patients during gastroscopy. Mean lower esophageal sphincter pressure was normal at 20.2 ± 14.1 mm Hg during manometry. Reflux activity in 24 h, number of refluxes, and DeMeester score were increased at 12.9 ± 9.7%, 98.0 ± 80.8, and 55.3 ± 36.3 during 24-h pH-metry. Patients with GERD scored significantly lower in the GIQLI than patients without GERD: 107.6 ± 18.4 versus 127.6 ± 14.4 (p = 0.04). DISCUSSION/CONCLUSION Fifteen years after primary SG, objective testing has shown that GERD, esophagitis, and Barrett's esophagus are major issues for these patients. Surveillance endoscopies at 5-year intervals in all SG patients and 3-year intervals in patients with Barrett's esophagus are recommended.
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Affiliation(s)
- Daniel Moritz Felsenreich
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | - Evi Artemiou
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | - Lukas Wintersteller
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | - Julia Jedamzik
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | - Jakob Eichelter
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | - Lisa Gensthaler
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | - Christoph Bichler
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | | | | | - Ivan Kristo
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | - Felix Benedikt Langer
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | - Gerhard Prager
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna, Austria
- *Gerhard Prager,
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Felsenreich DM, Bichler C, Langer FB, Gachabayov M, Prager G. Sleeve Gastrectomy: Surgical Technique, Outcomes, and Complications. Surg Technol Int 2020; 36:63-69. [PMID: 32359172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The number of bariatric surgical procedures performed worldwide increases every year and has recently exceeded 685,000. Over 50% of these are laparoscopic sleeve gastrectomy (SG), and Roux-en-Y gastric bypass accounts for an additional 30%. Bariatric/metabolic surgery seeks to achieve not only weight loss and the remission of comorbidities, such as diabetes mellitus type II, arterial hypertension, sleep apnea, risk of cancer, non-alcoholic liver steatosis, etc., but also improvements in the patient's quality of life. SG is mainly a restrictive procedure consisting of the resection and removal of a major part of the stomach, which has an additional impact on hormones such as Ghrelin and Glucagon-like Peptide 1. The first part of this article focuses on patient preparation before a bariatric procedure with mandatory and additional examinations to decrease the patient's risk. Next, the surgical technique itself, including positioning of the patient, positioning of the trocars and related tips and tricks, and the postoperative course are described. The second part discusses the outcomes of SG, including weight loss, remission of comorbidities and quality of life. Further possible acute complications of SG such as leaks, bleeding or stenoses as well as long-term complications (reflux, weight regain and malnutrition) and respective treatments are also described. In conclusion, SG is an effective procedure for weight loss with a low risk for the patient to develop malnutrition. In terms of post-operative care, regular check-ups are vital to ensure a positive outcome as well as for the early detection of possible issues. Reflux and weight regain are common issues with SG in a long-term follow-up; thus, patients should be selected carefully for this procedure.
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Affiliation(s)
| | - Christoph Bichler
- Division of General Surgery, Department of Surgery, Vienna Medical University, Vienna, Austria
| | - Felix Benedikt Langer
- Division of General Surgery, Department of Surgery, Vienna Medical University, Vienna, Austria
| | - Mahir Gachabayov
- Section of Colorectal Surgery, Department of Surgery, Westchester Medical Center, New York Medical College, Valhalla, NY, USA
| | - Gerhard Prager
- Division of General Surgery, Department of Surgery, Vienna Medical University, Vienna, Austria
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Felsenreich DM, Prager G, Kefurt R, Eilenberg M, Jedamzik J, Beckerhinn P, Bichler C, Sperker C, Krebs M, Langer FB. Quality of Life 10 Years after Sleeve Gastrectomy: A Multicenter Study. Obes Facts 2019; 12:157-166. [PMID: 30879011 PMCID: PMC6547272 DOI: 10.1159/000496296] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [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: 08/20/2018] [Accepted: 12/17/2018] [Indexed: 01/13/2023] Open
Abstract
OBJECTIVE Sleeve gastrectomy (SG) has recently become the most commonly applied bariatric procedure worldwide. Substantial regaining of weight or severe reflux might compromise quality of life (QOL) after SG in the long-term follow-up. Long-term data on patients' QOL is limited, even though the persistent improvement in QOL is one of the aims of bariatric surgery. The objective of this study was to present patients' QOL 10 years after SG. METHODS Of 65 SG patients with a follow-up of ≥10 years after SG who were asked to fill out the Bariatric Quality of Life Index (BQL) and Short Form 36 (SF36) questionnaires, 48 (74%) completed them. This multicenter study was performed in a university hospital setting in Austria. RESULTS The BQL score revealed nonsignificant differences between the patients with > 50% or < 50% excess weight loss (EWL). It did show significant differences between patients with and without any symptoms of reflux. Patients with < 50% EWL scored significantly lower in 3/8 categories of SF36. Patients suffering from reflux had significantly lower scores in all categories. CONCLUSIONS EWL and symptomatic reflux impair patients' long-term QOL after SG.
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Affiliation(s)
| | - Gerhard Prager
- Division of General Surgery, Department of Surgery, Vienna Medical University, Vienna, Austria,
| | - Ronald Kefurt
- Division of General Surgery, Department of Surgery, Vienna Medical University, Vienna, Austria
| | - Magdalena Eilenberg
- Division of General Surgery, Department of Surgery, Vienna Medical University, Vienna, Austria
| | - Julia Jedamzik
- Division of General Surgery, Department of Surgery, Vienna Medical University, Vienna, Austria
| | | | - Christoph Bichler
- Division of General Surgery, Department of Surgery, Vienna Medical University, Vienna, Austria
| | | | - Michael Krebs
- Division of Endocrinology, Department of Internal Medicine, Vienna Medical University, Vienna, Austria
| | - Felix Benedikt Langer
- Division of General Surgery, Department of Surgery, Vienna Medical University, Vienna, Austria
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Abstract
BACKGROUND AND AIMS: Laparoscopic sleeve gastrectomy (SG) has massively increased in numbers over the last decade and is the most frequently performed bariatric procedure worldwide today. The aim of this review is to evaluate SG in terms of weight loss and resolution of comorbidities, based on data gained from the latest long-term studies available. MATERIAL AND METHODS: This review includes the results of any long-term studies on SG available at this point as well as a selection of short- and mid-term studies. RESULTS: There are only a handful of studies on sleeve gastrectomy with long-term follow-up available at this point. Conversion rates in these long-term studies amount to up to one-third of their cohorts; however, excess weight loss in patients maintaining their sleeve is over 50%. Results on the resolution of comorbidities vary among the studies available today. SUMMARY: Sleeve gastrectomy is a valid bariatric method but one has to be aware of its limitations.
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Affiliation(s)
- D M Felsenreich
- Division of General Surgery, Department of Surgery, Medical University of Vienna, Vienna, Austria
| | - F B Langer
- Division of General Surgery, Department of Surgery, Medical University of Vienna, Vienna, Austria
| | - G Prager
- Division of General Surgery, Department of Surgery, Medical University of Vienna, Vienna, Austria
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Langer FB, Prager G, Poglitsch M, Kefurt R, Shakeri-Leidenmühler S, Ludvik B, Schindler K, Bohdjalian A. Weight loss and weight regain-5-year follow-up for circular- vs. linear-stapled gastrojejunostomy in laparoscopic Roux-en-Y gastric bypass. Obes Surg 2014; 23:776-81. [PMID: 23483356 DOI: 10.1007/s11695-013-0892-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Weight regain (WR) occurs in some patients after laparoscopic Roux-en-Y gastric bypass (LRYGBP). Loss of restriction due to dilation of the gastrojejunostomy (GJS) or the gastric pouch might be the main cause for WR. With different techniques available for the establishment of the GJS, the surgical technique might influence long-term success. METHODS We present a 5-year follow-up for weight loss and WR of a matched-pair study comparing circular stapled (CSA) to linear stapled (LSA) GJS in a series of 150 patients who underwent primary antecolic antegastric LRYGBP. Complete 5-year follow-up was obtained for 79 % of the patients. RESULTS Excess BMI loss (EBL) at 3 months was better with the CSA (p = 0.02) and comparable thereafter. The 5-year %EBL was 67.3 ± 23.2 vs. 73.3 ± 24.3 % (CSA vs. LSA, p = 0.19) WR of > 10 kg from nadir was found in 24 patients (16 %) with higher incidence in CSA than in LSA patients (20 % vs. 12 %). The %WR was comparable for both groups, 16 ± 13 vs. 15 ± 19 % (CSA vs. LSA, p = 0.345). Eleven patients underwent surgical re-intervention for WR by placement of a non-adjustable band (n = 2), adjustable band (n = 7) and conversion to distal gastric bypass (n = 2). CONCLUSIONS CSA and LSA lead to comparable weight loss in this 5-year follow-up. More patients in the CSA group had WR. Weight regain of more than 10 kg was found in one out of seven patients within 5 years postoperatively.
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Affiliation(s)
- F B Langer
- Department of Surgery, Division of General Surgery, Medical University of Vienna, General Hospital Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
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Abstract
Esophageal stenting with self-expanding plastic or covered metal stents is believed to be safe and effective. As data on the outcome of patients with long-term stenting are not available, this study was conducted to evaluate the safety and efficacy of long-term esophageal stenting. From 2002 to 2008, 70 patients with long-term esophageal stenting for various indications from a prospective database were included into further analysis. The median stent period was 297 (124-1980) days during a mean follow-up time of 55 ± 52.4 months. Overall complication rate was 30% with a primary success rate of 97.2%. The stent-related total reintervention rate was 17.1%. There were no correlations between stent characteristics and the risk of complication or migration. No stent-related death was observed. Our data provide evidence that long-period esophageal stenting is safe and effective for various indications.
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Affiliation(s)
- S F Schoppmann
- Department of Surgery, Upper-GI-Research, Medical University of Vienna, Vienna, Austria.
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Schoppmann SF, Jesch B, Zacherl J, Wrba F, Hejna M, Maresch J, Langer FB, Riegler MF, Pluschnig U, Birner P. HER-2 status in primary oesophageal cancer, lymph nodes and distant metastases. Br J Surg 2011; 98:1408-13. [PMID: 21618213 DOI: 10.1002/bjs.7562] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/22/2011] [Indexed: 11/05/2022]
Abstract
BACKGROUND Some 10-15 per cent of patients with oesophageal cancer overexpress human epidermal growth factor receptor (HER) 2 at the primary tumour site, leading to the hope that specific targeted systemic therapy might favourably influence clinical and subclinical disease at locoregional and distant sites. This approach is based on primary tumour characteristics, without knowledge of expression patterns at metastatic sites. In oesophageal cancer, concordance between HER-2 status at the primary tumour and other sites is unknown. METHODS The HER-2 status of primary tumours and corresponding metastatic sites (lymph node and distant) and local recurrence were evaluated in a series of patients with oesophageal cancer, using immunohistochemistry and dual colorimetric in situ hybridization. RESULTS There were 97 adenocarcinomas (ACs) and 79 squamous cell carcinomas (SCCs). Some 14 per cent of primary ACs and 1 per cent of primary SCCs were staged as HER-2-positive. The HER-2 status was identical in the primary tumour and lymph node metastases in 95 per cent of ACs and 99 per cent of SCCs respectively (P = 0·375, sign test). Nineteen of 22 distant metastases from AC and all from SCC had identical HER-2 status to the primary tumour. In two of 22 patients with AC the primary tumour was classed as negative but distant metastases were HER-2-positive. CONCLUSION With over 85 per cent concordance in HER-2 status between primary tumours and distant metastases in oesophageal cancer, routine HER-2 testing of metastases to confirm HER-2 positivity is not warranted. Assessment of HER-2 status at metastatic sites may be worthwhile in some patients with easily accessible metastases and negative HER-2 status at the primary tumour, or if adequate material cannot be obtained from the primary site.
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Affiliation(s)
- S F Schoppmann
- Department of Surgery, Medical University of Vienna, Vienna, Austria.
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Langer FB, Reza Hoda MA, Bohdjalian A, Felberbauer FX, Zacherl J, Wenzl E, Schindler K, Luger A, Ludvik B, Prager G. Sleeve gastrectomy and gastric banding: effects on plasma ghrelin levels. Obes Surg 2005; 15:1024-9. [PMID: 16105401 DOI: 10.1381/0960892054621125] [Citation(s) in RCA: 372] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
BACKGROUND Different changes of plasma ghrelin levels have been reported following gastric banding, Roux-en-Y gastric bypass, and biliopancreatic diversion. METHODS This prospective study compares plasma ghrelin levels and weight loss following laparoscopic sleeve gastrectomy (LSG) and laparoscopic adjustable gastric banding (LAGB) in 20 patients. RESULTS Patients who underwent LSG (n=10) showed a significant decrease of plasma ghrelin at day 1 compared to preoperative values (35.8 +/- 12.3 fmol/ml vs 109.6 +/- 32.6 fmol/ml, P=0.005). Plasma ghrelin remained low and stable at 1 and 6 months postoperatively. In contrast, no change of plasma ghrelin at day 1 (71.8 +/- 35.3 fmol/ml vs 73.7 +/- 24.8 fmol/ml, P=0.441) was found in patients after LAGB (n=10). Increased plasma ghrelin levels compared with the preoperative levels at 1 (101.9 +/- 30.3 fmol/ml vs 73.7 +/- 24.8 fmol/ml, P=0.028) and 6 months (104.9 +/- 51.1 fmol/ml vs 73.7 +/- 24.8 fmol/ml, P=0.012) after surgery were observed. Mean excess weight loss was higher in the LSG group at 1 (30 +/- 13% vs 17 +/- 7%, P=0.005) and 6 months (61 +/- 16% vs 29 +/- 11%, P=0.001) compared with the LAGB group. CONCLUSIONS As a consequence of resection of the gastric fundus, the predominant area of human ghrelin production, ghrelin is significantly reduced after LSG but not after LAGB. This reduction remains stable at follow-up 6 months postoperatively, which may contribute to the superior weight loss when compared with LAGB.
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Affiliation(s)
- F B Langer
- Department of Surgery, Division of General Surgery, Medical University Vienna, Vienna, Austria
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