Abstract:
OBJECTIVE:To assess ischemia and reperfusion (I/R) injury in a hemihepatectomy model in pigs after prolonged continuous or intermittent vascular inflow occlusion in the liver. SUMMARY BACKGROUND DATA:Massive intraoperative blood loss during liver resections can be prevented by temporary vascular inflow occlusion, consequently leading to ischemia and reperfusion injury in the remnant liver. Previously, in a pig liver resection model in which only limited I/R injury was induced during brief (90 min) vascular inflow occlusion, the authors demonstrated reduced I/R injury after continuous (CNT) occlusion, compared to intermittent (INT). This liver resection study on pigs was undertaken to assess I/R injury after prolonged (120 min) CNT or INT occlusion. METHODS:In pigs (37.0 +/- 1.5 kg), liver ischemia during 2 hours was CNT (n = 6) or INT (n = 6) (eight subsequent periods of 12 min ischemia and 3 min recirculation), followed by 6 hours of reperfusion. A left hemihepatectomy (45.5% +/- 1.4%) was performed within the first 12 minutes of ischemia. No hepatic pedicle clamping or liver resection was performed in control experiments (n = 6). Microvascular damage was assessed by hyaluronic acid (HA) uptake capacity of the liver (parameter of early sinusoidal endothelial cell damage) and restoration of intrahepatic tissue pO2 during reperfusion. Hepatocellular damage was tested by plasma concentrations of aspartate aminotransferase (AST), alanine aminotransferase, and lactate dehydrogenase (LDH). RESULTS:Hyaluronic acid uptake after 6 hours of reperfusion, compared to preischemic uptake, was unaltered in the control group, but was significantly reduced in both resection groups. However, more HA was taken up after INT occlusion, compared to CNT (60.4% +/- 5.6% and 39.5% +/- 3.7%, respectively; ANOVA: p = 0.001). Intrahepatic tissue pO2 distribution after 6 hours of reperfusion more closely returned to preischemic configuration in the INT group than in the CNT group, indicating reduced microcirculatory disturbances after INT occlusion. Release of AST and LDH after 6 hours of reperfusion was significantly increased in both CNT and INT groups. Lower AST levels, however, were found after INT occlusion than after CNT occlusion (267.0 +/- 74.7 U/l and 603.3 +/- 132.4 U/l, respectively; p = 0.06). CONCLUSIONS:Intermittent hepatic vascular inflow occlusion during prolonged liver ischemia in pigs resulted in less microcirculatory and hepatocellular injury, compared to continuous occlusion. Intermittent clamping is preferable when prolonged periods of vascular inflow occlusion are applied during liver resections.
journal_name
Ann Surgjournal_title
Annals of surgeryauthors
van Wagensveld BA,van Gulik TM,Gelderblom HC,Scheepers JJ,Bosma A,Endert E,Gouma DJdoi
10.1097/00000658-199903000-00011subject
Has Abstractpub_date
1999-03-01 00:00:00pages
376-84issue
3eissn
0003-4932issn
1528-1140journal_volume
229pub_type
杂志文章abstract::Twenty-two patients developed one or more aortoenteric fistulae following aortic reconstruction with a dacron graft. Endoscopy was performed on 11 of these patients on 17 occasions and a preoperative diagnosis was made in eight patients. Fistulous communication was most common between the aorta and duodenum (60%), and...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-198203000-00011
更新日期:1982-03-01 00:00:00
abstract:OBJECTIVE:To identify factors that predict fourth- and fifth-year surgical resident satisfaction of attending teaching quality. SUMMARY BACKGROUND DATA:With the training of surgical residents undergoing major changes, a key issue facing surgical educators is whether high-quality surgeons can still be produced. Innovat...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/01.sla.0000150257.04889.70
更新日期:2005-02-01 00:00:00
abstract:OBJECTIVE:To evaluate the relation between delay in surgery because of preoperative biliary drainage (PBD) and survival in patients scheduled for surgery for pancreatic head cancer. BACKGROUND:Patients with obstructive jaundice due to pancreatic head cancer can undergo PBD. The associated delay of surgery can lead to ...
journal_title:Annals of surgery
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1097/SLA.0b013e3181fd36a2
更新日期:2010-11-01 00:00:00
abstract:OBJECTIVE:This study determined whether the neurotensin gene (NT/N) is expressed in the normal adult liver and focal nodular hyperplasia (FNH) and confirmed NT/N expression in fibrolamellar carcinoma; whether NT/N or the neurotensin receptor is expressed in the fetal liver; and whether hepatic resection leads to expres...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-199410000-00007
更新日期:1994-10-01 00:00:00
abstract::This prospective study evaluated host resistance in a surgical population who walked into the hospital for elective surgery. Patients were stratified into Hospital Reactive (HR, n = 19) if they reacted to two or more of five recall skin test antigens and Walk-in Anergic (WA, n = 26) if they did not react to the antige...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-198404000-00011
更新日期:1984-04-01 00:00:00
abstract:OBJECTIVE:To determine overall survival and disease-free survival in selected patients with nonresectable liver-only colorectal cancer receiving liver transplantation. BACKGROUND:Patients with nonresectable colorectal cancer receiving palliative chemotherapy has a 5-year overall survival of about 10%. Liver transplant...
journal_title:Annals of surgery
pub_type: 临床试验,杂志文章
doi:10.1097/SLA.0000000000003404
更新日期:2020-02-01 00:00:00
abstract:OBJECTIVE:To determine if 5-year surgeon cumulative and annual volumes predict improved early postoperative outcomes in patients with rectal cancer. BACKGROUND:Operative experience has been shown to effect surgical outcomes. The differential role of cumulative versus annual volume has not yet been explored for rectal ...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/SLA.0000000000001672
更新日期:2017-01-01 00:00:00
abstract:OBJECTIVES:The aim of this study was to compare morbidity and mortality between nonoperative and operative treatment of pneumoperitoneum. BACKGROUND:Pneumoperitoneum is a potentially life-threatening condition that has been traditionally treated with surgical intervention. Adequately powered studies comparing treatmen...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/SLA.0000000000003492
更新日期:2019-07-23 00:00:00
abstract::Midgestation fetal wound healing is characterized by healing without fibrosis or scar formation. The mechanisms that underlie this remarkable process are mediated in part through a fetal wound extracellular matrix rich in hyaluronic acid. In this study a newly developed assay was used to determine the hyaluronic acid ...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-199104000-00003
更新日期:1991-04-01 00:00:00
abstract::In a study of wound healing at high altitude, subcutaneously implanted PTFE tubes were used to stimulate and measure accumulation of wound hydroxyproline (an index of collagen) in 26 patients who had appendectomy and in 38 patients who had cholecystectomy. Patient age, length of surgery, and postoperative recovery see...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-198703000-00006
更新日期:1987-03-01 00:00:00
abstract:OBJECTIVE:To examine the surgical and pathologic findings of 15 patients who had initially unresectable hepatocellular carcinoma (HCC) and received preoperative systemic chemoimmunotherapy and sequential resection. SUMMARY BACKGROUND DATA:More than 80% of patients with HCC present for treatment at an unresectable stag...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-200102000-00013
更新日期:2001-02-01 00:00:00
abstract::A retrospective study of 910 patients surviving at least five years after cervical irradiation for Hodgkin's disease, non-Hodgkin's lymphoma, or primary head an neck neoplasms showed the incidence of stroke following cervical irradiation was 63 of 910 patients (6.3%) during a mean period of observation of nine years. ...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-198111000-00009
更新日期:1981-11-01 00:00:00
abstract:OBJECTIVE:Results of the first prospective randomized clinical trial comparing partial and total portacaval shunt for variceal hemorrhage are reported. SUMMARY BACKGROUND DATA:Total portacaval shunts produce subnormal portal pressures, completely diverting hepatic portal flow. Partial shunts maintain higher pressures ...
journal_title:Annals of surgery
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/00000658-199404000-00005
更新日期:1994-04-01 00:00:00
abstract::Two-plane angiography and direct segmental pressure measurements in the femoral and popliteal arteries and indirectly on the arm and ankle were performed in 101 limbs seeking to establish a relationship between angiographic assessment of the patency of the popliteal artery and the trifurcation vessels and the poplitea...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-198312000-00017
更新日期:1983-12-01 00:00:00
abstract::As a result of this retrospective analysis of hemorrhage from a porta-systemic venous shunt occurring within the small intestine, we believe that the early diagnosis of the syndrome is strongly suggested by the presence of varices in unusual locations demonstrated by the venous phase of mesenteric arteriography. In al...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-197601000-00005
更新日期:1976-01-01 00:00:00
abstract::The objectives of this study were to compare in dogs the effects of massive infusion of Ringer's lactate, 5% dextrose in water, and whole blood. Special interest centered upon lung function, central venous pressure, and dilutional effects upon the blood components. Three groups of 5 healthy dogs each received respecti...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-197511000-00018
更新日期:1975-11-01 00:00:00
abstract:OBJECTIVE:The authors examined the natural history of choledochal cysts in adults treated surgically. BACKGROUND:An initial diagnosis of choledochal cyst is uncommon in adults. The recommended treatment is excision, rather than bypass, to achieve effective biliary drainage and because of the risk of cancer. METHODS:A...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-199508000-00004
更新日期:1995-08-01 00:00:00
abstract:OBJECTIVE:This study was designed to determine if resection of positive regional nodes in patients with breast cancer provided a group of cured patients. SUMMARY BACKGROUND DATA:Previous studies of long-term follow-up of patients with breast cancer have demonstrated that 30% of patients with positive nodes may be aliv...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-199309000-00006
更新日期:1993-09-01 00:00:00
abstract:OBJECTIVE:To explore challenges and opportunities for surgery departments' academic missions as they become increasingly affiliated with expanding health systems. SUMMARY BACKGROUND DATA:Academic medicine is in the midst of unprecedented change. In addition to facing intense competition, narrower margins, and decrease...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/SLA.0000000000004462
更新日期:2020-11-12 00:00:00
abstract:OBJECTIVE:To examine the financial impact of quality improvement using Medicare payment data. BACKGROUND:Demonstrating a business case for quality improvement--that is, that fewer complications translates into lower costs--is essential to justify investment in quality improvement. Prior research is limited to cross-se...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/SLA.0000000000001069
更新日期:2015-08-01 00:00:00
abstract:OBJECTIVE:To determine the optimal management of symptomatic non-parasitic liver cysts. SUMMARY BACKGROUND DATA:Management options for symptomatic nonparasitic liver cysts lack substantiation through comparative studies with respect to safety and long-term effectiveness. METHODS:A retrospective review of the surgical...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-199808000-00004
更新日期:1998-08-01 00:00:00
abstract::Nine patients with arteriographic right colon arteriovenous malformations (AVM's) are reviewed. Even though five of the eight surviving patients had diverticulosis in remaining colon, right colectomy with removal of the AVM effectively controlled bleeding in seven of the eight patients in follow-up intervals of 14-66 ...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-197908000-00013
更新日期:1979-08-01 00:00:00
abstract:OBJECTIVE AND BACKGROUND:Local and distant disease recurrence are frequently observed following pancreatic cancer resection, but an improved understanding of resection margin assessment is required to aid tailored therapies. METHODS:Analyses were carried out to assess the association between clinical characteristics a...
journal_title:Annals of surgery
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1097/SLA.0000000000002557
更新日期:2019-03-01 00:00:00
abstract:OBJECTIVE:To determine the efficacy of oral supplementation of the gut enzyme intestinal alkaline phosphatase (IAP) in preventing antibiotic-associated infections from Salmonella enterica serovar Typhimurium (S. Typhimurium) and Clostridium difficile. BACKGROUND:The intestinal microbiota plays a pivotal role in human ...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/SLA.0b013e31828fae14
更新日期:2014-04-01 00:00:00
abstract::Many advances have occurred in recent years in the diagnosis, localization, and treatment of primary hyperparathyroidism. Several different operative choices for primary hyperparathyroidism also have been proposed--a unilateral approach versus the standard bilateral parathyroid exploration. The unilateral approach is ...
journal_title:Annals of surgery
pub_type: 杂志文章,评审
doi:10.1097/00000658-199204000-00002
更新日期:1992-04-01 00:00:00
abstract:BACKGROUND:In the era of pre- or perioperative therapy for gastric cancer, clinical staging before treatment appears to be increasingly important for prognosis, yet there are no data on the subject for resectable gastric cancer patients. OBJECTIVES:To evaluate the prognostic role of preoperative locoregional staging i...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/SLA.0b013e3181ca69a7
更新日期:2010-03-01 00:00:00
abstract::Adipocyte lipolysis and its adrenergic control were studied in vitro from normal patients and those with trauma and sepsis. The adrenergic receptors were studied in terms of their responsiveness, a measure of the postreceptor mechanism, and their sensitivity, a measure of the receptor number or affinity. With early tr...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-198712000-00010
更新日期:1987-12-01 00:00:00
abstract:OBJECTIVE:To determine the risk factors of morbidity after surgery for ileocolonic Crohn disease (CD). SUMMARY BACKGROUND DATA:The risk factors of morbidity after surgery for CD, particularly the role of anti-TNF therapy, remain controversial and have not been evaluated in a large prospective cohort study. METHODS:Fr...
journal_title:Annals of surgery
pub_type: 杂志文章,多中心研究
doi:10.1097/SLA.0000000000002017
更新日期:2018-02-01 00:00:00
abstract::Despite the widespread recognition of coartation of the aorta there are still many patients in whome the diagnosis is not made. A simple clinical test which is useful in making the diagnosis in infants and adults, is described. It depends upon the differential color changes between fingers and toes after releasing a m...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-197611000-00014
更新日期:1976-11-01 00:00:00
abstract:OBJECTIVE:To assess whether elective colon and rectal surgery can be safely performed without preoperative mechanical bowel preparation. SUMMARY BACKGROUND DATA:Mechanical bowel preparation is routinely done before colon and rectal surgery, aimed at reducing the risk of postoperative infectious complications. However,...
journal_title:Annals of surgery
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/01.SLA.0000055222.90581.59
更新日期:2003-03-01 00:00:00