Esther A Biesel, Simon Kuesters, Sophia Chikhladze, Dietrich A Ruess, Julian Hipp, Ulrich T Hopt, Stefan Fichtner-Feigl, Uwe A Wittel
{"title":"Surgical complications requiring late surgical revisions after pancreatoduodenectomy increase postoperative morbidity and mortality.","authors":"Esther A Biesel, Simon Kuesters, Sophia Chikhladze, Dietrich A Ruess, Julian Hipp, Ulrich T Hopt, Stefan Fichtner-Feigl, Uwe A Wittel","doi":"10.1177/14574969231206132","DOIUrl":"10.1177/14574969231206132","url":null,"abstract":"<p><strong>Background: </strong>Pancreatoduodenectomies are complex surgical procedures with considerable postoperative morbidity and mortality. Here, we describe complications and outcomes in patients requiring surgical revisions following pancreatoduodenectomy.</p><p><strong>Methods: </strong>A total of 1048 patients undergoing a pancreatoduodenectomy at our institution between 2002 and 2019 were analyzed retrospectively. All patients with surgical revisions were included. Revisions were divided into early and late using a cut-off of 5 days after the first surgery. Statistical significance was examined by using chi-square tests and Fisher's exact tests. Survival analysis was performed using Kaplan-Meier curves and log-rank tests.</p><p><strong>Results: </strong>A total of 150 patients with at least 1 surgical revision after pancreatoduodenectomy were included. Notably, 64 patients had a revision during the first 5 days and were classified as early revision. Compared with the 86 patients with late revisions, we found no differences concerning wound infections, delayed gastric emptying, or acute kidney failure. After late revisions, we found significantly more cases of sepsis (31.4% late versus 15.6% early, p = 0.020) and reintubation due to respiratory failure (33.7% versus 18.8%, p = 0.031). Postoperative mortality was significantly higher within the late revision group (23.2% versus 9.4%, p = 0.030).</p><p><strong>Conclusion: </strong>Arising complications after pancreatoduodenectomy should be addressed as early as possible as patients requiring late surgical revisions frequently developed septic complications and multiorgan failure.</p>","PeriodicalId":49566,"journal":{"name":"Scandinavian Journal of Surgery","volume":" ","pages":"88-97"},"PeriodicalIF":2.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"92157087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Antti Yrjönen, Laura Koskenvuo, Carola Haapamäki, Anna Lepistö
{"title":"Recurrence after cytoreductive surgery and HIPEC for pseudomyxoma peritonei: A single-center retrospective cohort study.","authors":"Antti Yrjönen, Laura Koskenvuo, Carola Haapamäki, Anna Lepistö","doi":"10.1177/14574969231200653","DOIUrl":"10.1177/14574969231200653","url":null,"abstract":"<p><strong>Background and aims: </strong>Pseudomyxoma peritonei (PMP) is a rare disease characterized by progressive build-up of mucinous deposits inside the abdominal cavity. The aim of this study was to investigate the effect of disease recurrence on overall survival in patients with PMP after cytoreductive surgery (CRS) combined with hyperthermic intraperitoneal chemotherapy (HIPEC).</p><p><strong>Methods: </strong>One-hundred thirty-two consecutive PMP patients treated with CRS + HIPEC at Helsinki University Hospital between 2008 and 2017 were included. The impact of clinicopathological and treatment-related characteristics on recurrence and overall survival was evaluated.</p><p><strong>Results: </strong>The median follow-up time in the study was 5.04 (range = 0.05-11.60) years. In 121 (91.7%) patients, the disease was classified as low grade and 11 (8.3%) had high-grade disease. In the low-grade group, 26 (21.5%) patients developed a recurrence during follow-up compared to 6 (54.5%) patients in the high-grade group. In the low-grade group, cumulative survival was 98.2%, 91.4%, and 91.4% at 3, 6, and 8 years, respectively. In the high-grade group, cumulative survival was 90.0% and 78.8% at 3 and 6 years, respectively. In patients with recurrent disease, the cumulative survival was 100%, 84.6%, and 84.6% at 3, 6, and 8 years in the low-grade category and 80.0% and 60.0% at 3 and 6 years in the high-grade category, respectively. In the low-grade group, a statistically significant correlation with recurrence but not with overall survival was identified with peritoneal cancer index (PCI), carcinoembryonic antigen (CEA), and the number of affected regions.</p><p><strong>Conclusion: </strong>The recurrence of low-grade PMP does not significantly affect overall survival of patients. Disease extent may not be a prognostic indicator after curative CRS and HIPEC in low-grade PMP.</p>","PeriodicalId":49566,"journal":{"name":"Scandinavian Journal of Surgery","volume":" ","pages":"140-149"},"PeriodicalIF":2.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41217833","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Peri-firing compression in prevention of pancreatic fistula after distal pancreatectomy: A systematic review and a cohort study.","authors":"Trond Kjeseth, Sheraz Yaqub, Bjørn Edwin, Dyre Kleive, Mushegh A Sahakyan","doi":"10.1177/14574969231211084","DOIUrl":"10.1177/14574969231211084","url":null,"abstract":"<p><strong>Background/aims: </strong>Clinically relevant postoperative pancreatic fistula (CR-POPF) after distal pancreatectomy (DP) occurs in 20%-40% of patients and remains a leading cause of morbidity and increased healthcare cost in this patient group. Recently, several studies suggested decreased risk of CR-POPF with the use of peri-firing compression (PFC) technique. The aim of this report was to conduct a systematic review to get an overview of the current knowledge on the use of PFC in DP. In addition, our experience with PFC was presented.</p><p><strong>Methods: </strong>The systematic literature review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Also, 19 patients undergoing DP with the use of PFC at Oslo University Hospital were studied. The primary endpoint was incidence of CR-POPF.</p><p><strong>Results: </strong>Seven articles reporting a total of 771 patients were ultimately included in the systematic review. Only two of these were case-control studies examining outcomes in patients with and without PFC, while the rest were case series. These were heterogeneous in terms of staplers used, cartridge selection policy, and PFC technique. Both case-control studies reported significantly reduced CR- POPF incidence with PFC. Eight (21%) of our patients developed CR-POPF after DP with PFC. Only one patient developed CR-POPF among those with pancreatic transection site thickness ⩽1.5 cm.</p><p><strong>Conclusion: </strong>Evidence on potential benefits of PFC in DP is limited in quantity and quality. Our findings suggest that the use of PFC does not lead to reduction in the incidence of CR-POPF. Yet, there might be a benefit from PFC when dealing with a thin pancreas.</p>","PeriodicalId":49566,"journal":{"name":"Scandinavian Journal of Surgery","volume":" ","pages":"73-79"},"PeriodicalIF":2.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138048300","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jenny Engdahl, Astrid Öberg, Sandra Bech-Larsen, Henrik Bergenfeldt, Tomas Vedin, Marcus Edelhamre, Stefan Öberg
{"title":"Short- and long-term outcome after colon cancer resections performed by male and female surgeons: A single-center retrospective cohort study.","authors":"Jenny Engdahl, Astrid Öberg, Sandra Bech-Larsen, Henrik Bergenfeldt, Tomas Vedin, Marcus Edelhamre, Stefan Öberg","doi":"10.1177/14574969241228510","DOIUrl":"10.1177/14574969241228510","url":null,"abstract":"<p><strong>Background and objective: </strong>To assess the effect of surgeon sex on short- and long-term outcomes after colon cancer resections.</p><p><strong>Methods: </strong>Clinical data of patients who underwent colon cancer resections between 2010 and 2020 at Helsingborg Hospital, Sweden, were retrospectively obtained from medical records. The sex of the surgeon of each procedure was recorded. Morbidity, mortality, and long-term survival were compared in patients operated by male and female surgeons.</p><p><strong>Results: </strong>Colon cancer resections were performed by 23 male and 9 female surgeons in 1113 patients (79% elective, 21% emergent). After elective surgery, there was no difference in postoperative complications, 30-day mortality, or long-term survival between patients operated by male and female surgeons. Following emergent resections, the complication rate was significantly lower in patients operated by female surgeons (41.3% vs 58.1%, p = 0.019). Similarly, the rates of R1-resections (0% vs 5.2%, p = 0.039), reoperations (3.8% vs 14.2%, p = 0.014), and intensive care unit (ICU) care (6.3% vs 17.4%, p = 0.018) were significantly lower for patients operated by female surgeons, but there was no difference in 30-day mortality (6.3% vs 5.2%, p = 0.767). Cox regression analysis showed that long-term and cancer-free survival in patients emergently operated by male surgeons was significantly shorter than that of patients operated by female surgeons (hazard ratio = 1.9 (95% confidence interval (CI) = 1.3-2.8), p = 0.001 and hazard ratio = 1.7 (95% CI = 1.1-2.7), p = 0.016).</p><p><strong>Conclusions: </strong>The short- and long-term outcome after elective colon cancer resections were similar in patients operated by male and female surgeons. The outcome following emergent resections performed by female surgeons compared favorably with that of male surgeons, with fewer complications and reoperations and better long-term survival.</p>","PeriodicalId":49566,"journal":{"name":"Scandinavian Journal of Surgery","volume":" ","pages":"131-139"},"PeriodicalIF":2.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139900802","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Salla Valkkio, Sohvi Kuoppala, Iisa Lindström, Niina Khan, Thanos Sioris, Jari Laurikka, Niku Oksala, Jussi Hernesniemi
{"title":"Computed tomography -defined sarcopenia is associated with long-term survival among patients undergoing open thoracic aortic reconstruction.","authors":"Salla Valkkio, Sohvi Kuoppala, Iisa Lindström, Niina Khan, Thanos Sioris, Jari Laurikka, Niku Oksala, Jussi Hernesniemi","doi":"10.1177/14574969231213758","DOIUrl":"10.1177/14574969231213758","url":null,"abstract":"<p><strong>Background and objective: </strong>As markers of sarcopenia, psoas muscle areas and indexes measured from computed tomography images have been found to predict long-term mortality in cardiothoracic as well as other surgical cohorts. Our objective was to investigate the association between psoas muscle status, taking into account muscle density in addition to area, and survival among patients undergoing open thoracic aortic reconstruction.</p><p><strong>Methods: </strong>This was a retrospective registry study of a total of 451 patients treated with open surgery for thoracic aortic pathology. Psoas muscle area and density were measured from preoperative computed tomography images at the L3 and L4 lumbar levels. In addition, lean psoas muscle area was calculated by averaging sex-specific values of psoas muscle area and density. The association between mortality and psoas muscle status was analyzed with adjusted Cox-regression analysis.</p><p><strong>Results: </strong>The median age of the study population was 63 (interquartile range (IQR): 53-70) years. The majority were male (74.7%, n = 337) and underwent elective procedures (58.1% n = 262). Surgery of the ascending aorta was carried out in 90% of the patients, and 15% (n = 67) had concomitant coronary artery bypass surgery. Aortic dissection was present in 34.6% (n = 156) patients. Median follow-up time was 4.3 years (IQR: 2.2-7.4). During the follow-up, 106 patients (23.5%) died, with 55.7% of deaths occurring within the first four postoperative weeks. Psoas muscle parameters were not associated with perioperative mortality, but significant independent associations with long-term mortality were observed for psoas muscle area, density, and lean psoas muscle area with hazard ratios (HRs) of 0.63 (95% confidence interval (CI): 0.45-0.88), 0.62 (95% CI: 0.46-0.83), and 0.47 (95% CI: 0.32-0.69), respectively (all per 1-SD increase).</p><p><strong>Conclusions: </strong>Psoas muscle sarcopenia status is associated with long-term mortality after open thoracic aortic surgery.</p>","PeriodicalId":49566,"journal":{"name":"Scandinavian Journal of Surgery","volume":" ","pages":"150-159"},"PeriodicalIF":2.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138812486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Klara Fröberg, Asif Halimi, Miroslav Vujasinovic, José Caballero-Corbalan, Urban Arnelo, Ernesto Sparrelid, Olle Korsgren, Johannes-Matthias Löhr, Torbjörn Lundgren, Poya Ghorbani
{"title":"Outcome after total pancreatectomy with islet autotransplantation: A European single-center study.","authors":"Klara Fröberg, Asif Halimi, Miroslav Vujasinovic, José Caballero-Corbalan, Urban Arnelo, Ernesto Sparrelid, Olle Korsgren, Johannes-Matthias Löhr, Torbjörn Lundgren, Poya Ghorbani","doi":"10.1177/14574969231220176","DOIUrl":"10.1177/14574969231220176","url":null,"abstract":"<p><strong>Background and aims: </strong>Chronic pancreatitis may cause intractable abdominal pain, with total pancreatectomy sometimes being the last resort. To mitigate the subsequent diabetes, total pancreatectomy can be followed by islet autotransplantation (TP-IAT). The primary aim of this study was to assess the outcomes in patients undergoing TP-IAT at Karolinska University Hospital with respect to safety, postoperative complications, and islet graft function. A secondary aim was to compare liver to skeletal muscle as autotransplantation sites.</p><p><strong>Methods: </strong>Single-center observational cohort study on patients undergoing TP-IAT. Islets were transplanted either into the liver or skeletal muscle. Data on baseline characteristics and pretransplantory conditions were collected. Outcome measures included mortality and major postoperative complications as well as the glycemic measures: insulin use, fasting C-peptide, and HbA1c.</p><p><strong>Results: </strong>Between 2004 and 2020, 24 patients underwent TP-IAT. Islets were transplanted into the liver in 9 patients and into skeletal muscle in 15 patients. There was no 90-day mortality, and major complications (Clavien-Dindo ⩾IIIa) occurred in 26.7%, all related to the procedure of total pancreatectomy. Fasting C-peptide could be detected postoperatively, with higher levels in patients receiving islet autotransplantation into the liver (p = 0.006). Insulin independence was not achieved, although insulin doses at last follow-up were significantly lower in patients receiving islet autotransplantation into the liver compared to skeletal muscle (p = 0.036).</p><p><strong>Conclusion: </strong>TP-IAT is safe and associated with tolerable risk, the component of islet autotransplantation being seemingly harmless. Although islet grafts maintain some endocrine function, insulin independence should not be expected. Regarding islet autotransplantation sites, the liver seems superior to skeletal muscle.</p><p><strong>Clinical trial registration: </strong>Not applicable.</p>","PeriodicalId":49566,"journal":{"name":"Scandinavian Journal of Surgery","volume":" ","pages":"80-87"},"PeriodicalIF":2.5,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139032807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Does it really matter if the surgeon is female or male?","authors":"Pamela Buchwald, Malin Sund","doi":"10.1177/14574969241250214","DOIUrl":"10.1177/14574969241250214","url":null,"abstract":"","PeriodicalId":49566,"journal":{"name":"Scandinavian Journal of Surgery","volume":" ","pages":"182-183"},"PeriodicalIF":2.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140913038","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Surveillance after resection of pancreatic ductal adenocarcinoma: How to do it and what are the benefits?","authors":"Roland Andersson, Daniel Ansari, Caj Haglund","doi":"10.1177/14574969231156353","DOIUrl":"10.1177/14574969231156353","url":null,"abstract":"<p><strong>Background and objective: </strong>Surveillance following resection with curative intent of pancreatic cancer varies widely, and supporting evidence is limited. Recurrence is although frequent, not at least during the first 2 years. Surveillance may be costly, but evidence on how this influences overall survival is not fully elucidated.</p><p><strong>Methods, results: </strong>There are reports implying that signs of biological recurrence (increasing CA 19-9) precede radiologically demonstrated recurrence by months.</p><p><strong>Conclusions: </strong>The possibility of initiating salvage therapy earlier is discussed, potentially based on improved future biomarker panels.</p>","PeriodicalId":49566,"journal":{"name":"Scandinavian Journal of Surgery","volume":" ","pages":"184-185"},"PeriodicalIF":2.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139576307","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Intraoperative assessment of the curative potential to predict survival after gastric cancer resection: A national cohort study.","authors":"Gustav Linder, Richard J McGregor, Mats Lindblad","doi":"10.1177/14574969231216594","DOIUrl":"10.1177/14574969231216594","url":null,"abstract":"<p><strong>Background: </strong>The surgeon's intraoperative assessment of the curative potential of tumor resection following gastrectomy adds new information that could help clinicians and patients by predicting survival.</p><p><strong>Methods: </strong>All patients in Sweden undergoing gastric cancer resection between 2006 and 2018 were grouped according to a prospectively registered variable; the surgeon's intraoperative assessment of the curative potential of surgery: curative, borderline curative, or palliative. Factors affecting group allocation were analyzed with multivariable logistic regression, while survival was analyzed using multivariable Cox regression and the Kaplan-Meier method. Positive predictive value (PPV) and negative predictive value (NPV) were calculated.</p><p><strong>Results: </strong>Of 2341 patients undergoing gastric cancer resection, 1547 (71%) were deemed curative, 340 (15%) borderline curative, and 314 (14%) palliative (140 missing assessments). Advanced stage increased the risk of borderline curative resection (Stage III, odds ratio (OR) = 6.04, 95% confidence interval (CI) = 3.92-9.31), as did emergency surgery OR = 3.31 (1.74-6.31) and blood loss >500 mL; OR = 1.63 (1.06-2.49). Neoadjuvant chemotherapy and multidisciplinary team (MDT) discussion both decreased the risk of borderline curative resection, OR = 0.58 (0.39-0.87) and 0.57 (0.40-0.80), respectively. In multivariable Cox regression, the surgeon's assessment independently predicted worse survival for borderline curative (hazard ratio (HR) = 1.54, 95% CI = 1.29-1.83) and palliative resections (HR = 1.76, 95% CI = 1.45-2.19), compared to curative resections. The sensitivity of the surgeon's assessment of long-term survival was 96.7%. The PPV was 50.7% and the NPV was 92.1%.</p><p><strong>Conclusion: </strong>The surgeon's intraoperative assessment of the curative potential of gastric cancer surgery may independently aid survival prediction and is analogous to prognostication by pathologic Staging. Advanced disease, emergency surgery, and a high intraoperative blood loss, increases the risk of a borderline curative or palliative resection. Conversely, neoadjuvant treatment and MDT discussion reduce the risk of borderline curative or palliative resection.</p>","PeriodicalId":49566,"journal":{"name":"Scandinavian Journal of Surgery","volume":" ","pages":"109-119"},"PeriodicalIF":2.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138812488","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Perfusion increase in foot angiosomes: Comparison between direct and indirect revascularization of crural arteries.","authors":"Maarit Venermo, Nicla Settembre","doi":"10.1177/14574969241242205","DOIUrl":"10.1177/14574969241242205","url":null,"abstract":"<p><strong>Background and aims: </strong>In retrospective studies, wound healing and leg salvage have been better if revascularization is targeted to the crural artery supplying arterial flow to the wound angiosome. No data exist on how revascularization changes the blood flow in foot angiosomes. The aim of this study was to evaluate the change in perfusion after infrapopliteal artery revascularization in all foot angiosomes and to compare directly revascularized (DR) angiosomes to the indirectly revascularized (IR) angiosomes.</p><p><strong>Methods: </strong>In this prospective study, foot perfusion was measured with indocyanine green fluorescence imaging (ICG-FI) before and after either surgical or endovascular below-knee revascularization. According to angiograms, we divided the foot angiosomes into DR and IR angiosomes. Furthermore, in a subanalysis, the IR angiosomes were graded as IR_Coll+ angiosomes if there were strong collaterals arising from the artery which was revascularized, and as IR_Coll- angiosomes if strong collaterals were not seen.</p><p><strong>Results: </strong>A total of 72 feet (28 bypass, 44 endovascular revascularizations) and 282 angiosomes were analyzed. Surgical and endovascular revascularization increased perfusion significantly in both DR and IR angiosomes. After bypass surgery, the increase in DR angiosomes was 55 U and 53 U in IR angiosomes; there were no significant difference in the perfusion increase between IR and DR angiosomes. After endovascular revascularization, perfusion increased significantly more, 40 U, in DR angiosomes compared to 26 U in IR angiosomes (p < 0.05). In the subanalysis of IR angiosomes, perfusion increased significantly after surgical bypass regardless of whether strong collaterals were present or not. After endovascular revascularization, however, a significant perfusion increase was noted in the IR_Coll+ but not in the IR_Coll- subgroup.</p><p><strong>Conclusion: </strong>Open revascularization increased perfusion equally in DR and IR angiosomes, whereas endovascular revascularization increased perfusion significantly more in DR than in IR angiosomes. Strong collateral network may help increase perfusion in IR angiosomes.</p>","PeriodicalId":49566,"journal":{"name":"Scandinavian Journal of Surgery","volume":" ","pages":"174-181"},"PeriodicalIF":2.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141201109","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}