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  • Abbassi, Fariba, et al. (författare)
  • Novel Benchmark Values for Redo Liver Transplantation Does the Outcome Justify the Effort?
  • 2022
  • Ingår i: Annals of Surgery. - : Lippincott Williams & Wilkins. - 0003-4932 .- 1528-1140. ; 276:5, s. 860-867
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To define benchmark cutoffs for redo liver transplantation (redo-LT). Background: In the era of organ shortage, redo-LT is frequently discussed in terms of expected poor outcome and wasteful resources. However, there is a lack of benchmark data to reliably evaluate outcomes after redo-LT. Methods: We collected data on redo-LT between January 2010 and December 2018 from 22 high-volume transplant centers. Benchmark cases were defined as recipients with model of end stage liver disease (MELD) score <= 25, absence of portal vein thrombosis, no mechanical ventilation at the time of surgery, receiving a graft from a donor after brain death. Also, high-urgent priority and early redo-LT including those for primary nonfunction (PNF) or hepatic artery thrombosis were excluded. Benchmark cutoffs were derived from the 75th percentile of the medians of all benchmark centers. Results: Of 1110 redo-LT, 373 (34%) cases qualified as benchmark cases. Among these cases, the rate of postoperative complications until discharge was 76%, and increased up to 87% at 1-year, respectively. One-year overall survival rate was excellent with 90%. Benchmark cutoffs included Comprehensive Complication Index CCI (R) at 1-year of <= 72, and in-hospital and 1-year mortality rates of <= 13% and <= 15%, respectively. In contrast, patients who received a redo-LT for PNF showed worse outcomes with some values dramatically outside the redoLT benchmarks. Conclusion: This study shows that redo-LT achieves good outcome when looking at benchmark scenarios. However, this figure changes in high-risk redo-LT, as for example in PNF. This analysis objectifies for the first-time results and efforts for redo-LT and can serve as a basis for discussion about the use of scarce resources.
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  • Agger, E, et al. (författare)
  • Circumferential Resection Margin is Associated with Distant Metastasis After Rectal Cancer Surgery : A Nation-Wide Population-Based Study Cohort
  • 2023
  • Ingår i: Annals of Surgery. - 1528-1140. ; 277:2, s. 346-352
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To evaluate circumferential resection margin (CRM) as a risk factor for distant metastasis (DM) in rectal cancer.SUMMARY BACKGROUND DATA: The treatment of rectal cancer has evolved over the last decades. Surgical radicality is considered the most important factor in preventing recurrences including local and distant. CRM ≤1.0 mm is considered to increase recurrence risk. This study explores the risk of DM in relation to exact CRM.METHODS: All patients treated with abdominal resection surgery for rectal cancer between 2005 and 2013 in Sweden were eligible for inclusion in this retrospective study. Primary endpoint was DM.RESULTS: 12146 cases were identified. 8593 cases were analysed after exclusion. 717 (8.6%) patients had CRM ≤1.0 mm and 7577 (91.4%) patients CRM >1.0 mm. DM recurrence rate at 5 years was 42.1% (95% CI 32.5-50.3), 31.5% (95% CI 27.3-35.5), 25.8% (95% CI 16.2-34.4) and 19.5% (95% CI 18.5-19.5) when CRM was 0.0 mm, 0.1-1.0 mm, 1.1-1.9 mm and CRM ≥2 mm respectively. Multivariable analysis revealed higher DM risk in CRM 0.0-1.0 mm versus >1.0 mm (HR 1.28, 95% c.i. 1.06 to 1.56; P=<0.011). No significant difference in DM risk in CRM 1.1 - 1.9 mm versus ≥2.0 mm (HR 0.66, 95% c.i. 0.34 to 1.28; P=0.224) could be detected.CONCLUSIONS: The risk of DM decreases with increasing CRM. Moreover, CRM ≤1.0 mm is a significant risk factor for DM. Thus, CRM is a dominant factor when discussing risk of DM after rectal cancer surgery.
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  • Agger, Erik, et al. (författare)
  • Negative prognostic impact of tumor deposits in rectal cancer – a national study cohort
  • 2023
  • Ingår i: Annals of Surgery. - 1528-1140. ; 273:3, s. 526-533
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To investigate whether tumor deposits (TDs) in rectal cancer are associated withincreased recurrence risk and decreased survival.Summary background data: Tumor deposits (TDs) are considered a risk factor forrecurrence after colon cancer resection and presence of TDs prompts adjuvant chemotherapy.The prognostic relevance of TDs in rectal cancer requires further exploration.Methods: All patients treated with abdominal resection surgery for rectal cancer in Swedenbetween 2011 and 2014 were eligible for inclusion in this retrospective cohort-study based onprospectively collected data from the Swedish ColoRectal Cancer Registry. Primary endpointwas local recurrence or distant metastasis. Secondary outcomes were overall and relativesurvival.Results: 5455 patients were identified. 3769 patients were analysed after exclusion. TDs werefound in 404 (10.7%) patients including where 140 (3.7%) patients with had N1c-status. InTD-positive patients, local recurrence and distant metastasis rates at 5 years were 6.3% [95%CI 3.8-8.8%] and 38.9% [95% CI, 33.6-43.5%] compared to 2.7% [95% CI, 2.1-3.3%] and14.3% [95% CI, 13.1-15.5%] in TD-negative patients. In multivariable regression analysis,risk of local recurrence and distant metastasis were increased; HR 1.86 [95% CI, 1.09-3.19;P=0.024] and 1.87 [95% CI, 1.52-2.31; P=was 68.8% [95% CI, 64.4-73.4%] in TD-positive patients and 80.7% [95% CI, 79.4-82.1%] inTD-negative patients. pN1c-patients had similar outcomes regarding local recurrence, distantCopyright © 2022 Wolters Kluwer Health, Inc. Unauthorized reproduction of the article is prohibited.ACCEPTEDmetastasis and survival as pN1a-b stage patients. TD-positive pN1a-b patients hadsignificantly worse outcomes while TDs did not affect outcomes in pN2a-b patients.Conclusion: This study suggests that TDs have a negative impact on prognosis in rectalcancer. Thus, efforts should be made to diagnose TD-positive rectal cancer patientspreoperatively.
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  • Ahl, Rebecka, 1987-, et al. (författare)
  • β-Blockade in Rectal Cancer Surgery : A Simple Measure of Improving Outcomes
  • 2020
  • Ingår i: Annals of Surgery. - : Lippincott Williams & Wilkins. - 0003-4932 .- 1528-1140. ; 271:1, s. 140-146
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To ascertain whether regular β-blocker exposure can improve short- and long-term outcomes after rectal cancer surgery.BACKGROUND: Surgery for rectal cancer is associated with substantial morbidity and mortality. There is increasing evidence to suggest that there is a survival benefit in patients exposed to β-blockers undergoing non-cardiac surgery. Studies investigating the effects on outcomes in patients subjected to surgery for rectal cancer are lacking.METHODS: All adult patients undergoing elective abdominal resection for rectal cancer over a 10-year period were recruited from the prospectively collected Swedish Colorectal Cancer Registry. Patients were subdivided according to preoperative β-blocker exposure status. Outcomes of interest were 30-day complications, 30-day cause-specific mortality, and 1-year all-cause mortality. The association between β-blocker use and outcomes were analyzed using Poisson regression model with robust standard errors for 30-day complications and cause-specific mortality. One-year survival was assessed using Cox proportional hazards regression model.RESULTS: A total of 11,966 patients were included in the current study, of whom 3513 (29.36%) were exposed to regular preoperative β-blockers. A significant decrease in 30-day mortality was detected (incidence rate ratio = 0.06, 95% confidence interval: 0.03-0.13, P < 0.001). Deaths of cardiovascular nature, respiratory origin, sepsis, and multiorgan failure were significantly lower in β-blocker users, as were the incidences in postoperative infection and anastomotic failure. The β-blocker positive group had significantly better survival up to 1 year postoperatively with a risk reduction of 57% (hazard ratio = 0.43, 95% confidence interval: 0.37-0.52, P < 0.001).CONCLUSIONS: Preoperative β-blocker use is strongly associated with improved survival and morbidity after abdominal resection for rectal cancer.
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  • Andersson, Roland E (författare)
  • Letter: Resolving appendicitis is common
  • 2008
  • Ingår i: Annals of Surgery. - : Wolters Kluwer. - 0003-4932 .- 1528-1140. ; 247:3, s. 553-553
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
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  • Andersson, Roland, 1950-, et al. (författare)
  • Nonsurgical treatment of appendiceal abscess or phlegmon : A systematic review and meta-analysis
  • 2007
  • Ingår i: Annals of Surgery. - 0003-4932 .- 1528-1140. ; 246:5, s. 741-748
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: A systematic review of the nonsurgical treatment of patients with appendiceal abscess or phlegmon, with emphasis on the success rate, need for drainage of abscesses, risk of undetected serious disease, and need for interval appendectomy to prevent recurrence. SUMMARY BACKGROUND DATA: Patients with appendiceal abscess or phlegmon are traditionally managed by nonsurgical treatment and interval appendectomy. This practice is controversial with proponents of immediate surgery and others questioning the need for interval appendectomy. METHODS: A Medline search identified 61 studies published between January 1964 and December 2005 reporting on the results of nonsurgical treatment of appendiceal abscess or phlegmon. The results were pooled taking the potential clustering on the study-level into account. A meta-analysis of the morbidity after immediate surgery compared with that after nonsurgical treatment was performed. RESULTS: Appendiceal abscess or phlegmon is found in 3.8% (95% confidence interval (CI), 2.6-4.9) of patients with appendicitis. Nonsurgical treatment fails in 7.2% (CI: 4.0-10.5). The need for drainage of an abscess is 19.7% (CI: 11.0-28.3). Immediate surgery is associated with a higher morbidity compared with nonsurgical treatment (odds ratio, 3.3, CI: 1.9-5.6, P < 0.001). After successful nonsurgical treatment, a malignant disease is detected in 1.2% (CI: 0.6-1.7) and an important benign disease in 0.7% (CI: 0.2-11.9) during follow-up. The risk of recurrence is 7.4% (CI: 3.7-11.1). CONCLUSIONS: The results of this review of mainly retrospective studies support the practice of nonsurgical treatment without interval appendectomy in patients with appendiceal abscess or phlegmon. © 2007 Lippincott Williams & Wilkins, Inc.
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  • Angenete, Eva, 1972, et al. (författare)
  • Laparoscopic Lavage Is Feasible and Safe for the Treatment of Perforated Diverticulitis With Purulent Peritonitis The First Results From the Randomized Controlled Trial DILALA
  • 2016
  • Ingår i: Annals of Surgery. - : Lippincott Williams & Wilkins. - 0003-4932 .- 1528-1140. ; 263:1, s. 117-122
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective:To evaluate short-term outcomes of a new treatment for perforated diverticulitis with purulent peritonitis in a randomized controlled trial.Background:Perforated diverticulitis with purulent peritonitis (Hinchey III) has traditionally been treated with surgery including colon resection and stoma (Hartmann procedure) with considerable postoperative morbidity and mortality. Laparoscopic lavage has been suggested as a less invasive surgical treatment.Methods:Laparoscopic lavage was compared with colon resection and stoma in a randomized controlled multicenter trial, DILALA (ISRCTN82208287). Initial diagnostic laparoscopy showing Hinchey III was followed by randomization. Clinical data was collected up to 12 weeks postoperatively.Results: Eighty-three patients were randomized, out of whom 39 patients in laparoscopic lavage and 36 patients in the Hartmann procedure groups were available for analysis. Morbidity and mortality after laparoscopic lavage did not differ when compared with the Hartmann procedure. Laparoscopic lavage resulted in shorter operating time, shorter time in the recovery unit, and shorter hospital stay.Conclusions:In this trial, laparoscopic lavage as treatment for patients with perforated diverticulitis Hinchey III was feasible and safe in the short-term.
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  • Annebäck, Matilda, et al. (författare)
  • Risk of Permanent Hypoparathyroidism After Total Thyroidectomy for Benign Disease : A Nationwide Population-based Cohort Study From Sweden
  • 2021
  • Ingår i: Annals of Surgery. - : Wolters Kluwer. - 0003-4932 .- 1528-1140. ; 274:6, s. e1202-e1208
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To investigate the prevalence and risk factors for permanent hypoparathyroidism after total thyroidectomy for benign disease in a population-based setting with data independent of input of complication data.SUMMARY OF BACKGROUND DATA: The reported rate of permanent hypoparathyroidism is highly variable and mostly rely on reported complication data from national or institutional registries.METHODS: All patients who underwent total thyroidectomy in Sweden from 2005 to 2015 were identified through Scandinavian Quality Register for Thyroid, Parathyroid and Adrenal Surgery and the Swedish National Patient Register. Patients were matched to outcome data from the Swedish Prescribed Drug Register. Permanent hypoparathyroidism was defined as treatment with calcium and/or active vitamin D more than 1 year after surgery.RESULTS: Seven thousand eight hundred fifty-two patients were included and 938 (12.5%) developed permanent hypoparathyroidism. The risk was lower in patients registered in the quality register (11.0% vs 16%, P < 0.001). In a multivariable analysis there was a higher risk of permanent hypoparathyroidism in patients with parathyroid autotransplantation [Odds ratio (OR) 1.72; 95% confidence interval 1.47-2.01], center-volume <100 thyroidectomies per year (OR 1.22; 1.03-1.44), age above 60 year (OR 1.64; 1.36-1.98) and female sex (OR 1.27; 1.05-1.54). Reported data from the quality register only identified 178 of all 938 patients with permanent hypoparathyroidism.CONCLUSION: The risk of permanent hypoparathyroidism after total thyroidectomy was high and associated with parathyroid autotransplantation, higher age, female sex and surgery at a low volume center. Reported follow-up data might underestimate the rate of permanent hypoparathyroidism.
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  • Arver, Brita, et al. (författare)
  • Bilateral Prophylactic Mastectomy in Swedish Women at High Risk of Breast Cancer: A National Survey.
  • 2011
  • Ingår i: Annals of surgery. - : Lippincott Williams and Wilkins; 1999. - 1528-1140 .- 0003-4932. ; 253:6, s. 1147-1154
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND/OBJECTIVE:: This study attempted a national inventory of all bilateral prophylactic mastectomies performed in Sweden between 1995 and 2005 in high-risk women without a previous breast malignancy. The primary aim was to investigate the breast cancer incidence after surgery. Secondary aims were to describe the preoperative risk assessment, operation techniques, complications, histopathological findings, and regional differences. METHODS:: Geneticists, oncologists and surgeons performing prophylactic breast surgery were asked to identify all women eligible for inclusion in their region. The medical records were reviewed in each region and the data were analyzed centrally. The BOADICEA risk assessment model was used to calculate the number of expected/prevented breast cancers during the follow-up period. RESULTS:: A total of 223 women operated on in 8 hospitals were identified. During a mean follow-up of 6.6 years, no primary breast cancer was observed compared with 12 expected cases. However, 1 woman succumbed 9 years post mastectomy to widespread adenocarcinoma of uncertain origin. Median age at operation was 40 years. A total of 58% were BRCA1/2 mutation carriers. All but 3 women underwent breast reconstruction, 208 with implants and 12 with autologous tissue. Four small, unifocal, invasive cancers and 4 ductal carcinoma in situ were found in the mastectomy specimens. The incidence of nonbreast related complications was low (3%). Implant loss due to infection/necrosis occurred in 21 women (10%) but a majority received a new implant later. In total, 64% of the women underwent at least 1unanticipated secondary operation. CONCLUSIONS:: Bilateral prophylactic mastectomy is safe and efficacious in reducing future breast cancer in asymptomatic women at high risk. Unanticipated reoperations are common. Given the small number of patients centralization seems justified.
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  • Asbun, H.J., et al. (författare)
  • The Miami International Evidence-based Guidelines on Minimally Invasive Pancreas Resection
  • 2020
  • Ingår i: Annals of Surgery. - : Lippincott Williams and Wilkins. - 0003-4932 .- 1528-1140. ; 271:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: The aim of this study was to develop and externally validate the first evidence-based guidelines on minimally invasive pancreas resection (MIPR) before and during the International Evidence-based Guidelines on Minimally Invasive Pancreas Resection (IG-MIPR) meeting in Miami (March 2019).Summary Background Data: MIPR has seen rapid development in the past decade. Promising outcomes have been reported by early adopters from high-volume centers. Subsequently, multicenter series as well as randomized controlled trials were reported; however, guidelines for clinical practice were lacking. Methods: The Scottisch Intercollegiate Guidelines Network (SIGN) methodology was used, incorporating these 4 items: systematic reviews using PubMed, Embase, and Cochrane databases to answer clinical questions, whenever possible in PICO style, the GRADE approach for assessment of the quality of evidence, the Delphi method for establishing consensus on the developed recommendations, and the AGREE-II instrument for the assessment of guideline quality and external validation. The current guidelines are cosponsored by the International Hepato-Pancreato-Biliary Association, the Americas Hepato-Pancreato-Biliary Association, the Asian-Pacific Hepato-Pancreato-Biliary Association, the European-African Hepato-Pancreato-Biliary Association, the European Association for Endoscopic Surgery, Pancreas Club, the Society of American Gastrointestinal and Endoscopic Surgery, the Society for Surgery of the Alimentary Tract, and the Society of Surgical Oncology. Results: After screening 16,069 titles, 694 studies were reviewed, and 291 were included. The final 28 recommendations covered 6 topics; laparoscopic and robotic distal pancreatectomy, central pancreatectomy, pancreatoduodenectomy, as well as patient selection, training, learning curve, and minimal annual center volume required to obtain optimal outcomes and patient safety.Conclusion: The IG-MIPR using SIGN methodology give guidance to surgeons, hospital administrators, patients, and medical societies on the use and outcome of MIPR as well as the approach to be taken regarding this challenging type of surgery. © 2019 Wolters Kluwer Health, Inc. All rights reserved.
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  • Backman, Olof, et al. (författare)
  • Gastric Bypass Surgery Reduces De Novo Cases of Type 2 Diabetes to Population Levels : A Nationwide Cohort Study From Sweden
  • 2019
  • Ingår i: Annals of Surgery. - : Lippincott Williams & Wilkins. - 0003-4932 .- 1528-1140. ; 269:5, s. 895-902
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: The aim of this study was to determine long-term changes in pharmacological treatment of type 2 diabetes after primary Roux-en-Y gastric bypass (RYGB) surgery, in patients with and without pharmacological treatment of diabetes preoperatively.SUMMARY OF BACKGROUND DATA: Several studies have shown that gastric bypass has good effect on diabetes, at least in the short-term. This study is a nationwide cohort study using Swedish registers, with basically no patients lost to follow-up during up to 7 years after surgery.METHODS: The effect of RYGB on type 2 diabetes drug treatment was evaluated in this nationwide matched cohort study. Participants were 22,047 adults with BMI ≥30 identified in the nationwide Scandinavian Surgical Obesity Registry, who underwent primary RYGB between 2007 and 2012. For each individual, up to 10 general population comparators were matched on birth year, sex, and place of residence. Prescription data were retrieved from the nationwide Swedish Prescribed Drug Register through September 2015. Incident use of pharmacological treatment was analyzed using Cox regression.RESULTS: Sixty-seven percent of patients with pharmacological treatment of type 2 diabetes before surgery were not using diabetes drugs 2 years after surgery and 61% of patients were not pharmacologically treated up to 7 years after surgery. In patients not using diabetes drugs at baseline, there were 189 new cases of pharmacological treatment of type 2 diabetes in the surgery group and 2319 in the matched general population comparators during a median follow-up of 4.6 years (incidence: 21.4 vs 27.9 per 10,000 person-years; adjusted hazard ratio 0.77, 95% confidence interval 0.67-0.89; P < 0.001).CONCLUSIONS: Gastric bypass surgery not only induces remission of pharmacological treatment of type 2 diabetes but also protects from new onset of pharmacological diabetes treatment. The effect seems to persist in most, but not all, patients over 7 years of follow-up.
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  • Bergkvist, Leif, et al. (författare)
  • Axillary recurrence rate after negative sentinel node biopsy in breast cancer : three-year follow-up of the Swedish Multicenter Cohort Study
  • 2008
  • Ingår i: Annals of Surgery. - : Lippincott Williams & Wilkins. - 0003-4932 .- 1528-1140. ; 247:1, s. 150-156
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Sentinel lymph node biopsy is an established staging method in early breast cancer. After a negative biopsy, most institutions will not perform a completion axillary dissection. The present study reports the current axillary recurrence (AR) rate, overall and disease-free survival in the Swedish Multicenter Cohort Study.Methods: From 3534 patients with primary breast cancer ≤3 cm prospectively enrolled in the Swedish multicenter cohort study, 2246 with a negative sentinel node biopsy and no further axillary surgery were selected. Follow-up consisted of annual clinical examination and mammography. Twenty-six hospitals and 131 surgeons contributed to patient accrual.Results: After a median follow-up time of 37 months (0-75), the axilla was the sole initial site of recurrence in 13 patients (13 of 2246, 0.6%). In another 7 patients, axillary relapse occurred after or concurrently with a local recurrence in the breast, and in a further 7 cases, it coincided with distant or extra-axillary lymphatic metastases. Thus, a total of 27 ARs were identified (27 of 2246, 1.2%). The overall 5-year survival was 91.6% and disease-free survival 92.1%.Conclusions: This is the first report from a national multicenter study that covers, not only highly specialized institutions but also small community hospitals with just a few procedures per year. Despite this heterogeneous background, the results lie well within the range of AR rates published internationally (0%-3.6%). The sentinel node biopsy procedure seems to be safe in a multicenter setting. Nevertheless, long-term follow-up data should be awaited before firm conclusions are drawn.
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  • Bergqvist, David, et al. (författare)
  • Treatment of vascular Ehlers-Danlos syndrome : a systematic review
  • 2013
  • Ingår i: Annals of Surgery. - 0003-4932 .- 1528-1140. ; 258:2, s. 257-261
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE:To provide the collected evidence from all literature reports.BACKGROUND:Vascular Ehlers-Danlos syndrome (EDS) is a rare connective tissue disorder with serious hemorrhagic consequences. Most experience on treatment is based on case reports and small case series.METHOD:A systematic literature review was performed. PubMed and reference lists were scrutinized.RESULTS:A total of 231 patients were identified with no gender preponderance. Aneurysms were present in 40%, often multiple. In 33%, there was an arterial rupture without an underlying aneurysm. Carotidocavernous fistula was seen in 18%. After open surgery the mortality was 30%; after endovascular procedures, it was 24%; in a group of miscellaneous cases, it was 60%; and the overall mortality was 39%. The median age of patients at death was 31 years. The median follow-up time was 12 months (5 days-7 years), but in 20% cases, it was not reported. In only 29 of the 119 recent patients (24%) the mutation was verified with molecular genetic testing.CONCLUSIONS:Vascular EDS is a serious disorder with high mortality, which does not seem to have been influenced by new treatment methods. Invasive methods should be used only when necessary, primarily to save the patients' life. Whenever possible, the genetic molecular defect should be identified. The results of this review may be affected by publications bias. Ideally, a prospective registry should be created.
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  • Borch, Kurt, 1944-, et al. (författare)
  • Gastric carcinoids: biologic behavior and prognosis after differentiated treatment in relation to type
  • 2005
  • Ingår i: Annals of surgery. - : Ovid Technologies (Wolters Kluwer Health). - 0003-4932 .- 1528-1140. ; 242:1, s. 64-73
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To analyze tumor biology and the outcome of differentiated treatment in relation to tumor subtype in patients with gastric carcinoid. BACKGROUND: Gastric carcinoids may be subdivided into ECL cell carcinoids (type 1 associated with atrophic gastritis, type 2 associated with gastrinoma, type 3 without predisposing conditions) and miscellaneous types (type 4). The biologic behavior and prognosis vary considerably in relation to type. METHODS: A total of 65 patients from 24 hospitals (51 type 1, 1 type 2, 4 type 3, and 9 type 4) were included. Management recommendations were issued for newly diagnosed cases, that is, endoscopic or surgical treatment of type 1 and 2 carcinoids (including antrectomy to abolish hypergastrinemia) and radical resection for type 3 and 4 carcinoids. RESULTS: Infiltration beyond the submucosa occurred in 9 of 51 type 1, 4 of 4 type 3, and 7 of 9 type 4 carcinoids. Metastases occurred in 4 of 51 type 1 (3 regional lymph nodes, 1 liver), the single type 2 (regional lymph nodes), 3 of 4 type 3 (all liver), and 7 of 9 type 4 carcinoids (all liver). Of the patients with type 1 carcinoid, 3 had no specific treatment, 40 were treated with endoscopic or surgical excision (in 10 cases combined with antrectomy), 7 underwent total gastrectomy, and 1 underwent proximal gastric resection. Radical tumor removal was not possible in 2 of 4 patients with type 3 and 7 of 9 patients with type 4 carcinoid. Five- and 10-year crude survival rates were 96.1% and 73.9% for type 1 (not different from the general population), but only 33.3% and 22.2% for type 4 carcinoids. CONCLUSION: Subtyping of gastric carcinoids is helpful in the prediction of malignant potential and long-term survival and is a guide to management. Long-term survival did not differ from that of the general population regarding type 1 carcinoids but was poor regarding type 4 carcinoids.
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