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1.
Dig Endosc ; 2024 May 31.
Artigo em Inglês | MEDLINE | ID: mdl-38818692

RESUMO

OBJECTIVES: We compared the efficacy and safety of transoral incisionless fundoplication (TIF) with the EsophyX2.0 and MUSE systems for treatment of gastroesophageal reflux disease (GERD). METHODS: TIF outcomes from prospective protocols (Esophy2.0X: 2007-2012; MUSE: 2015-2019) were retrospectively compared regarding technical success, moderate/severe adverse events, morpho-functional findings up to 1 year, and clinical outcomes up to 3 years. Inclusion criteria were: (i) at least 6-month symptomatic GERD, full/partial response to proton pump inhibitors (PPI), esophagitis, and nonerosive reflux disease/hypersensitive esophagus (both protocols); (ii) hiatal hernia <3 cm (Esophy2.0X) and ≤2.5 cm (MUSE); and (iii) Barrett's esophagus <3 cm (MUSE). RESULTS: In the 50 EsophyX2.0 and 46 MUSE procedures, technical success and adverse event rates were similar, but MUSE-related adverse events (4.4%) were life-threatening. At 12 months, hiatal hernia recurred more frequently after EsophyX2.0 (P = 0.008). At 6 months, significantly fewer total and acid refluxes were reported after both TIF, but not more significantly at 1 year. Symptoms improved after both TIF up to 1 year (P < 0.0001), but to a greater extent in MUSE patients up to 3 years (P < 0.0001 vs. P < 0.01 for EsophyX2.0). The rates of 3-year off-PPI therapy patients were 73.5% in the MUSE and 53.3% in the EsophyX2.0 series (P = 0.069). CONCLUSION: Although no conclusion could be drawn from this limited study, the MUSE technique seemed more effective in the long term in patients with hiatal hernia; however, there were more severe adverse events than with EsophyX2.0.

2.
Clin Immunol ; 260: 109923, 2024 03.
Artigo em Inglês | MEDLINE | ID: mdl-38316201

RESUMO

Celiac Disease (CD) is a T-cell mediated disorder caused by immune response to gluten, although the mechanisms underlying CD progression are still elusive. We analyzed immune cell composition, plasma cytokines, and gliadin-specific T-cell responses in patients with positive serology and normal intestinal mucosa (potential-CD) or villous atrophy (acute-CD), and after gluten-free diet (GFD). We found: an inflammatory signature and the presence of circulating gliadin-specific IFN-γ+ T cells in CD patients regardless of mucosal damage; an increased frequency of IL-10-secreting dendritic cells (DC-10) in the gut and of circulating gliadin-specific IL-10-secreting T cells in potential-CD; IL-10 inhibition increased IFN-γ secretion by gliadin-specific intestinal T cells from acute- and potential-CD. On GFD, inflammatory cytokines normalized, while IL-10-producing T cells accumulated in the gut. We show that IL-10-producing cells are fundamental in controlling pathological T-cell responses to gluten: DC-10 protect the intestinal mucosa from damage and represent a marker of potential-CD.


Assuntos
Doença Celíaca , Humanos , Gliadina , Interleucina-10 , Glutens , Citocinas , Mucosa Intestinal
3.
Gastrointest Endosc ; 99(6): 914-923, 2024 06.
Artigo em Inglês | MEDLINE | ID: mdl-38128787

RESUMO

BACKGROUND AND AIMS: Nonanesthesiologist-administered propofol (NAAP) is increasingly accepted, but data are limited on drug administration using target-controlled infusion (TCI) in clinical practice. TCI adjusts the drug infusion based on patient-specific parameters, maintaining a constant drug dose to reduce the risk of adverse events (AEs) because of drug overdosing and to enhance patient comfort. The aims of this study were to assess the rate of AEs and to evaluate patient satisfaction with NAAP using TCI in a retrospective cohort of 18,302 procedures. METHODS: Low-risk patients (American Society of Anesthesiologists score I and II) undergoing outpatient GI endoscopic procedures, including EGDs and colonoscopies, were sequentially enrolled at IRCCS San Raffaele Hospital (Milan, Italy) between May 2019 and November 2021. RESULTS: Data from 7162 EGDs and 11,140 colonoscopies were analyzed. Mean patient age was 59.1 ± 14.8 years, and mean body mass index was 24.9 ± 3.7 kg/m2. The male-to-female ratio was equal at 8798 (48.1%):9486 (51.9%). AEs occurred in 240 procedures (1.3%) out of the total cohort, with no differences between EGDs and colonoscopies (100 [1.4%] and 140 [1.2%], respectively; P = .418). Most patients (15,875 [98.9%]) indicated they would likely repeat the procedure with the same sedation protocol. Age (odds ratio, 1.02; 95% confidence interval, 1.01-1.03; P < .008) was the only independent factor associated with overall AEs. CONCLUSIONS: NAAP using TCI is an effective and safe sedation method for routine endoscopy. The proper propofol dosage based on individual patients and the presence of trained operators are crucial for NAAP sedation management.


Assuntos
Anestésicos Intravenosos , Colonoscopia , Endoscopia Gastrointestinal , Satisfação do Paciente , Propofol , Humanos , Propofol/administração & dosagem , Propofol/efeitos adversos , Masculino , Feminino , Pessoa de Meia-Idade , Estudos Retrospectivos , Idoso , Colonoscopia/métodos , Endoscopia Gastrointestinal/métodos , Anestésicos Intravenosos/administração & dosagem , Anestésicos Intravenosos/efeitos adversos , Adulto , Infusões Intravenosas , Hipnóticos e Sedativos/administração & dosagem , Hipnóticos e Sedativos/efeitos adversos
5.
Artigo em Inglês | MEDLINE | ID: mdl-37389848

RESUMO

BACKGROUND: Colorectal lesions (CRLs) <10 mm found at colonoscopy tend towards "diagnose-and-leave" or "resect-and-discard" strategies based on real-time Kudo glandular pit-pattern's assessment using i-Scan. However, i-Scan has not yet been validated for Kudo's classification. We aimed to assess whether, in routine colonoscopy, i-Scan without magnification and optical enhancement (M-OE) reliably differentiates hyperplastic polyps (HPs) from other serrated lesions (SLs) and conventional adenomas (CAs), and, among SLs, HPs from sessile serrated lesions (SSLs) and traditional or unknown serrated adenomas (TSAs, USAs), in Kudo type II CRLs<10 mm, according to ASGE Preservation and Incorporation of Valuable endoscopic Innovations (PIVI) recommended negative predictive value (NPV) threshold for adenomas. METHODS: Prospectively recorded CRLs over 12 months, classified according to Kudo pit-pattern using i-Scan, were retrospectively compared with histology. RESULTS: Overall, 898 ≤5-mm and 704 6- to 9-mm CRLs were included. Type II pit-pattern was found in 76.6% and 38.7% of HPs and SSLs-TSAs/CAs (P<0.000001), and in 84.1% and 26.6% of SLs and CAs (P<0.000001). Among SLs, it was found in 81.9% and 86.6% of HPs and SSLs-TSAs. In CRLs≤5 mm, HPs were prevalent over other SLs (P=0.00001); in CRLs 6-9 mm, CAs were prevalent (P<0.000001). About 77% of SLs in right colon were SSLs-TSAs; 82% in left colon were HPs. PIVI ≥90% NPV threshold for adenomas was reached for CRLs 6-9mm (92.1%), nearly achieved for CRLs≤5 mm (88.2%), and not reached for SLs independently on the size. CONCLUSIONS: A strategy of "diagnose-and-leave" or "resect-and-discard" cannot be recommended for SLs<10 mm with Kudo type II pit-pattern using i-Scan, especially in right colon, if M-OE unavailable.

6.
Cancer Res ; 83(17): 2873-2888, 2023 09 01.
Artigo em Inglês | MEDLINE | ID: mdl-37350667

RESUMO

Current treatment for patients with locally advanced esophageal adenocarcinoma (EAC) is neoadjuvant chemotherapy (nCT), alone or combined with radiotherapy, before surgery. However, fewer than 30% of treated patients show a pathologic complete response to nCT, which correlates with increased 5-year survival compared with nonresponders. Understanding the mechanisms of response to nCT is pivotal to better stratify patients and inform more efficacious therapies. Here, we investigated the immune mechanisms involved in nCT response by multidimensional profiling of pretreatment tumor biopsies and blood from 68 patients with EAC (34 prospectively and 34 retrospectively collected), comparing complete responders versus nonresponders to nCT. At the tumor level, complete response to nCT was associated with molecular signatures of immune response and proliferation, increased putative antitumor tissue-resident memory CD39+ CD103+ CD8+ T cells, and reduced immunosuppressive T regulatory cells (Treg) and M2-like macrophages. Systemically, complete responders showed higher frequencies of immunostimulatory CD14+ CD11c+ HLA-DRhigh cells, and reduced programmed cell death ligand 1-positive (PD-L1+) monocytic myeloid-derived suppressor cells, along with high plasma GM-CSF (proinflammatory) and low IL4, CXCL10, C3a, and C5a (suppressive). Plasma proinflammatory and suppressive cytokines correlated directly and inversely, respectively, with the frequency of tumor-infiltrating CD39+ CD103+ CD8+ T cells. These results suggest that preexisting immunity in baseline tumor drives the clinical activity of nCT in locally advanced EAC. Furthermore, it may be possible to stratify patients based on predictive immune signatures, enabling tailored neoadjuvant and/or adjuvant regimens. SIGNIFICANCE: Multidimensional profiling of pretreatment esophageal adenocarcinoma shows patient response to nCT is correlated with active preexisting immunity and indicates molecular pathways of resistance that may be targeted to improve clinical outcomes.


Assuntos
Adenocarcinoma , Neoplasias Esofágicas , Humanos , Terapia Neoadjuvante , Estudos Retrospectivos , Adenocarcinoma/patologia , Neoplasias Esofágicas/patologia
7.
Surg Endosc ; 37(9): 7039-7050, 2023 09.
Artigo em Inglês | MEDLINE | ID: mdl-37353654

RESUMO

BACKGROUND: Management of anastomotic leaks after Ivor-Lewis esophagectomy remains a challenge. Although intracavitary endoscopic vacuum therapy (EVT) has shown great efficacy for large dehiscences, the optimal management of smaller leaks has not been standardized. This study aims to compare EVT versus self-expandable metal stent (SEMS) in the treatment of leaks < 30 mm in size, due to the lack of current data on this topic. METHODS: Patients undergoing EVT (cases) or SEMS (controls) between May 2017 and July 2022 for anastomotic leaks < 3 cm following oncologic Ivor-Lewis esophagectomy were enrolled. Controls were matched in a 1:1 ratio based on age (± 3 years), BMI (± 3 kg/m2) and leak size (± 4 mm). RESULTS: Cases (n = 22) and controls (n = 22) showed no difference in baseline characteristics and leak size, as per matching at enrollment. No differences were detected between the two groups in terms of time from surgery to endoscopic treatment (p = 0.11) or total number of procedures per patient (p = 0.05). Remarkably, the two groups showed comparable results in terms of leaks resolution (90.9% vs. 72.7%, p = 0.11). The number of procedures per patient was not significant between the two cohorts (p = 0.05). The most frequent complication in the SEMS group was migration (15.3% of procedures). CONCLUSION: EVT and SEMS seem to have similar efficacy outcomes in the treatment of anastomotic defects < 30 mm after Ivor-Lewis esophagectomy. However, larger studies are needed to corroborate these findings.


Assuntos
Neoplasias Esofágicas , Tratamento de Ferimentos com Pressão Negativa , Stents Metálicos Autoexpansíveis , Humanos , Fístula Anastomótica/etiologia , Fístula Anastomótica/cirurgia , Esofagectomia/efeitos adversos , Esofagectomia/métodos , Estudos de Casos e Controles , Tratamento de Ferimentos com Pressão Negativa/efeitos adversos , Estudos Retrospectivos , Resultado do Tratamento , Stents Metálicos Autoexpansíveis/efeitos adversos , Anastomose Cirúrgica/efeitos adversos , Neoplasias Esofágicas/cirurgia , Neoplasias Esofágicas/complicações
8.
J Autoimmun ; 138: 103051, 2023 07.
Artigo em Inglês | MEDLINE | ID: mdl-37224733

RESUMO

Tolerogenic dendritic cells play a critical role in promoting antigen-specific tolerance via dampening of T cell responses, induction of pathogenic T cell exhaustion and antigen-specific regulatory T cells. Here we efficiently generate tolerogenic dendritic cells by genetic engineering of monocytes with lentiviral vectors co-encoding for immunodominant antigen-derived peptides and IL-10. These transduced dendritic cells (designated DCIL-10/Ag) secrete IL-10 and efficiently downregulate antigen-specific CD4+ and CD8+ T cell responses from healthy subjects and celiac disease patients in vitro. In addition, DCIL-10/Ag induce antigen-specific CD49b+LAG-3+ T cells, which display the T regulatory type 1 (Tr1) cell gene signature. Administration of DCIL-10/Ag resulted in the induction of antigen-specific Tr1 cells in chimeric transplanted mice and the prevention of type 1 diabetes in pre-clinical disease models. Subsequent transfer of these antigen-specific T cells completely prevented type 1 diabetes development. Collectively these data indicate that DCIL-10/Ag represent a platform to induce stable antigen-specific tolerance to control T-cell mediated diseases.


Assuntos
Diabetes Mellitus Tipo 1 , Interleucina-10 , Animais , Camundongos , Antígenos , Células Dendríticas/metabolismo , Diabetes Mellitus Tipo 1/terapia , Diabetes Mellitus Tipo 1/metabolismo , Tolerância Imunológica , Interleucina-10/genética , Interleucina-10/metabolismo , Linfócitos T Reguladores/metabolismo , Humanos , Doença Celíaca
9.
Life (Basel) ; 13(2)2023 Jan 19.
Artigo em Inglês | MEDLINE | ID: mdl-36836644

RESUMO

BACKGROUND: Endoscopic treatment of post-esophagectomy/gastrectomy anastomotic dehiscence includes Self-Expandable Metal Stents (SEMS), which have represented the "gold standard" for many years, and Endoscopic Vacuum Therapy (EVT), which was recently introduced, showing promising results. The aim of the study was to compare outcomes of SEMS and EVT in the treatment of post-esophagectomy/gastrectomy anastomotic leaks, focusing on oncologic surgery. METHODS: A systematic search was performed on Pubmed and Embase, identifying studies comparing EVT versus SEMS for the treatment of leaks after upper gastro-intestinal surgery for malignant or benign pathologies. The primary outcome was the rate of successful leak closure. A meta-analysis was conducted, performing an a priori-defined subgroup analysis for the oncologic surgery group. RESULTS: Eight retrospective studies with 357 patients were eligible. Overall, the EVT group showed a higher success rate (odd ratio [OR] 2.58, 95% CI 1.43-4.66), a lower number of devices (pooled mean difference [pmd] 4.90, 95% CI 3.08-6.71), shorter treatment duration (pmd -9.18, 95% CI -17.05--1.32), lower short-term complication (OR 0.35, 95% CI 0.18-0.71) and mortality rates (OR 0.47, 95% CI 0.24-0.92) compared to stenting. In the oncologic surgery subgroup analysis, no differences in the success rate were found (OR 1.59, 95% CI 0.74-3.40, I2 = 0%). CONCLUSIONS: Overall, EVT has been revealed to be more effective and less burdened by complications compared to stenting. In the oncologic surgery subgroup analysis, efficacy rates were similar between the two groups. Further prospective data need to define a unique management algorithm for anastomotic leaks.

14.
Esophagus ; 19(3): 417-425, 2022 07.
Artigo em Inglês | MEDLINE | ID: mdl-35347509

RESUMO

BACKGROUND: Endoscopic vacuum therapy (EVT) represents an effective endoscopic technique for the treatment of post-esophagectomy leaks and can be used after failure of primary treatment. We aimed to investigate endoscopic data and success rate of EVT for post-esophagectomy anastomotic leaks, after failed redo surgery or previous endoscopic treatment. METHODS: We retrospectively recruited 12 patients from January 2018 to October 2020. Success was defined as dehiscence closure at radiological and/or endoscopic evaluation. Ethical Committee of our institution approved the study. RESULTS: Twelve patients (66.7% male, mean age 65.08 ± 16.7 years) affected by esophago-gastric (n = 10) or esophago-jejunal (n = 2) anastomosis dehiscences after oncologic surgery were treated with EVT, after failure of previous redo-surgical (n = 3, 25%) or endoscopic management (n = 9, 75%). Technical success rate was 100% (60/60 procedures) and dehiscence closure was achieved in three quarters of patients (9/12, 75%). Regarding complications, one case of sponge dislocation (1/60 = 1.7%) and another case of delayed stricture after post-EVT stent placement (1/60 = 1.7%) were recorded, during a mean follow up of 182.3 days. CONCLUSIONS: EVT is a promising option in the treatment of the most complicated anastomotic dehiscences. Its use could be also considered after failure of previous endoscopic or surgical management.


Assuntos
Esofagectomia , Tratamento de Ferimentos com Pressão Negativa , Idoso , Idoso de 80 Anos ou mais , Anastomose Cirúrgica/efeitos adversos , Fístula Anastomótica/etiologia , Fístula Anastomótica/cirurgia , Esofagectomia/efeitos adversos , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Tratamento de Ferimentos com Pressão Negativa/efeitos adversos , Estudos Retrospectivos
15.
Dig Dis ; 40(6): 710-718, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35086089

RESUMO

BACKGROUND: Early-onset colorectal cancer (eoCRC), defined as a colorectal cancer (CRC) in patients younger than 50 years old, shows an increasing incidence worldwide in the latest years. The role of exogenous factors associated with CRC has been largely overlooked in eoCRC. Here, we conducted a case-control study to evaluate the diet and the lifestyle habits in an Italian population of patients with eoCRC, compared to age-matched healthy controls (HCs). METHODS: We enrolled 118 subjects (47 cases, 71 controls) in a third-level academic hospital. We analyzed epidemiological features (age, sex, body mass index), lifestyle behaviors (smoking habits, physical activity, type of diet, use of dietary supplements), and eating habits (semiquantitative food-frequency questionnaire) in eoCRCs and HCs, covering the previous 5 years. RESULTS: In our cohort, positive family history of CRC was significantly associated with the development of eoCRC (p = 0.004). Fresh meat (p = 0.003), processed meat (p < 0.001), dairy products (p = 0.013), and smoking (p = 0.0001) were significantly associated with eoCRC compared to controls. Other variables did not differ significantly between the two groups. CONCLUSION: Fresh and processed meat, dairy products, and smoking could be considered significant risk factors for eoCRC, although further confirmation by international multicenter studies is desirable. Diet and smoking could be the main areas of future interventions for eoCRC primary prevention.


Assuntos
Neoplasias Colorretais , Humanos , Pessoa de Meia-Idade , Estudos de Casos e Controles , Neoplasias Colorretais/epidemiologia , Neoplasias Colorretais/etiologia , Estilo de Vida , Dieta/efeitos adversos , Fatores de Risco , Hábitos
16.
Updates Surg ; 74(3): 1055-1062, 2022 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-34510378

RESUMO

Anastomotic dehiscence is one of the most morbidity related and deadly complication after foregut oncologic surgery. The aim of the study is to evaluate the effectiveness of double layer stents (Niti-S™ Beta™ Esophageal Stent) in the management of dehiscences after upper gastrointestinal oncologic surgery. We retrospectively studied consecutive patients who underwent Niti-S™ Beta™ esophageal stent placement from June 2014 to September 2019 for the treatment of anastomotic leaks/fistula following esophagectomy or gastrectomy for cancer. Univariate two-sided logistic regression analysis was used to evaluate possible predictors of successful anastomotic leak/fistula closure. A total of 37 patients were studied and 75 stents were positioned in these patients during the endoscopic procedures. Effective leak/fistula closure was obtained in 23/37 (62.2%). No technical endoscopic failure or complications ensued during the placing of the devices. Regarding delayed complications, migration was observed in 17/75 (22.7%) procedures and stent leaking in 29/75 (38.6%). Three variables significantly favoured stent treatment failure, namely previous neoadjuvant therapy (OR 9.3, P = 0.01), fistula (instead of leak) (OR 6.5, P = 0.01), and stent leak (OR 17.0, P = 0.01). Placement of Beta Niti-S esophageal stent is a safe and effective method that could be considered for the management of leaks and fistula after upper gastrointestinal cancer. Crucial points in the management of post-surgical leaks with this technique are the prompt recognition of leaks and fistula, the prompt endoscopic/radiologic drain of collection and the choice of adequate size of the stent.


Assuntos
Fístula Anastomótica , Fístula Esofágica , Fístula Anastomótica/etiologia , Fístula Anastomótica/cirurgia , Fístula Esofágica/etiologia , Fístula Esofágica/cirurgia , Esofagectomia/efeitos adversos , Humanos , Estudos Retrospectivos , Stents , Resultado do Tratamento
17.
Surg Endosc ; 36(7): 5023-5031, 2022 07.
Artigo em Inglês | MEDLINE | ID: mdl-34799745

RESUMO

BACKGROUND: Transoral incisionless fundoplication (TIF) with Medigus Ultrasonic Surgical Endostapler (MUSE) is a new intervention for treatment of gastro-esophageal reflux disease (GERD). We aimed at assessing the clinical, functional, and endoscopic effects of TIF by MUSE. METHODS: Forty-six patients underwent TIF. Proton pump inhibitor (PPI) consumption, GERD-health-related quality of life (HRQL) and reflux symptom index (RSI) questionnaires, upper gastrointestinal (GI) endoscopy, esophageal 24-h pH-impedance recording, and high-resolution manometry (HRM) were done before TIF and scheduled 6 and 12 months later (HRM only at 6-month). PPI consumption and symptoms were then assessed yearly. Data up to 3 years are reported in this study (PP- and ITT-analysis). RESULTS: TIF was successfully performed in 45/46 patients; in one patient esophageal intubation was impossible. Perforation occurred in two cases. One patient required surgery within 6 months. Clinical follow-up was available for 42 patients at 6 months and 1 year, 35 patients at 2 years, and 31 patients at 3 years. At 1, 2, and 3 years, PPI consumption was stopped, respectively, in 64.3%, 62.9%, and 74.2% of cases (ITT-analysis: 58.7%, 56.4%, and 65.7%). GERD-HRQL and RSI scores decreased at least 50%, respectively, in 71.5% and 76.2%, 71.4% and 68.6%, and 67.7% of cases (ITT-analysis: 65.2% and 69.6%, 64.1% and 61.5%, and 60%). A significant improvement of both scores was observed up to 3 years. 6-month and 1-year functional follow-up were possible in 31 and 20 patients. HRM showed significant increase of the median lower esophageal sphincter length and rate of peristaltic waves. Esophageal pH-impedance recording found significantly fewer acid, proximal and total refluxes, and percentage of esophageal pH < 4 total time at 6 months, but not at 1 year. CONCLUSION: TIF by MUSE significantly improved symptoms and PPIs consumption up to 3 years. However, esophagitis still persisted in one-third of cases at 1 year and functional improvement at 6 months was not confirmed at 1 year. Severe complications requiring surgery occurred in two cases. CLINICALTRIALS: GOV: ID: NCT03669874.


Assuntos
Esofagite Péptica , Refluxo Gastroesofágico , Alprostadil/uso terapêutico , Esofagite Péptica/tratamento farmacológico , Fundoplicatura/efeitos adversos , Refluxo Gastroesofágico/tratamento farmacológico , Humanos , Inibidores da Bomba de Prótons/uso terapêutico , Qualidade de Vida , Resultado do Tratamento , Ultrassom
20.
Endosc Int Open ; 9(2): E239-E246, 2021 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-33553587

RESUMO

Background and study aims Few reports exist about long-term outcomes of transoral incisionless fundoplication (TIF) for treating refractory gastro-esophageal reflux disease (GERD). Methods A literature search of four major scientific databases was performed up to May 2020 for studies reporting on more than 3-year outcomes of TIF. Data on atient satisfaction, proton pump inhibitor (PPI) daily consumption, PPI use reduction, GERD health-related quality-of-life (GERD-HRQL) score, and normalization of heartburn and regurgitation scores were pooled and summarized with forest plots. Publication bias and heterogeneity were explored. Results Overall, eight studies (418 patients, 232 men; 55.5 %) with a mean follow-up of 5.3 years (range: 3-10 years) were included. The pooled proportion of patient-reported satisfaction before and after TIF was 12.3 % (95 % CI:12.3-35.1 %, I 2  = 87.4 %) and 70.6 % (95 % CI:51.2-84.6, I 2  = 80 %), respectively, corresponding to an odds ratio of 21.4 (95 % CI:3.27-140.5). Pooled rates of patients completely off PPIs and on occasional PPIs were 53.8 % (95 %CI: 42.0 %-65.1 %) and 75.8 % (95 %CI: 67.6-82.6), respectively. The pooled estimated mean GERD-HRQL scores off PPI before and after TIF werey 26.1 (95 %CI: 21.5-30.7; range: 20.0-35.5) and 5.9, respectively (95 %CI:0.35.1-11.4; range: 5.3-9.8; P  < 0.001). The overall pooled rates of heartburn and regurgitation scores normalization were 73.0 % (95 %CI: 0.62-0.82) and 86 %, respectively (95 %CI: 75.0-91.0 %). Conclusion Our study shows that TIF appears to offer a long-term safe therapeutic option for selected patients with GERD who refuse life-long medical therapy or surgery, are intolerant to PPIs, or are at increased surgical risk.

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