Abstract:
OBJECTIVE:To determine whether increasing distance between helicopter ambulance airbase and either home residence or referring facility is associated with an increased risk of injury-related mortality. BACKGROUND:A dramatic increase in the absolute number and utilization of Helicopter Emergency Medical Services transports has occurred in the management of the critically injured patients. HEMS are resource intensive, and the most efficient geographic distribution of airbases necessary to improve patient outcomes is unknown. METHODS:We performed a retrospective analysis of 244,293 adult trauma patients who were treated at a designated trauma center (TC) in Pennsylvania during the period 1997 to 2007, using the Pennsylvania Trauma Outcomes Study data set. We performed a multivariate analysis, adjusting for differences in case mix, to determine whether airbase proximity to either residence or referring facility is associated with injury-related mortality. RESULTS:For patients residing distant (>20 miles) from a TC, increasing distance from an airbase is associated with an increased risk of death; for each mile, the risk of mortality increases by approximately 1% (adjusted odds ratio, 1.011; 95% confidence interval, 1.002-1.018; P = 0.02). There is no additional benefit to living close (<25 miles) to more than 1 airbase. However, most airbases are positioned near TC and other airbases. Despite the proliferation of helicopter ambulances, 18.1% of patients who did not live near a TC also did not live near airbase. CONCLUSIONS:For individuals residing distant from a TC, proximity to 1 airbase is associated with reduced risk of death. No additional benefit is observed when airbases are positioned close to a TC or other airbases.
journal_name
Ann Surgjournal_title
Annals of surgeryauthors
Rhinehart ZJ,Guyette FX,Sperry JL,Forsythe RM,Murdock A,Alarcon LH,Peitzman AB,Rosengart MRdoi
10.1097/SLA.0b013e31827ee6b0subject
Has Abstractpub_date
2013-06-01 00:00:00pages
1147-53issue
6eissn
0003-4932issn
1528-1140journal_volume
257pub_type
杂志文章abstract:OBJECTIVE:To determine whether surgical subspecialty training in colorectal surgery or frequency of rectal cancer resection by the surgeon are independent prognostic factors for local recurrence (LR) and survival. SUMMARY BACKGROUND DATA:Variation in patient outcome in rectal cancer has been shown among centers and am...
journal_title:Annals of surgery
pub_type: 杂志文章,多中心研究
doi:10.1097/00000658-199802000-00001
更新日期:1998-02-01 00:00:00
abstract::We have demonstrated previously that oxygen-derived free radicals are important mediators of tissue injury following ischemia (total venous occlusion) and reperfusion in small (3 cm X 6 cm) island skin flaps in rats. In this study, we evaluated extension of this concept to regional ischemia in large (8 cm X 8 cm) acut...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-198503000-00018
更新日期:1985-03-01 00:00:00
abstract:OBJECTIVE:Because of rising costs and shrinking reimbursements, hospitals must continually find ways to improve efficiency and productivity. This study attempts to increase caseloads in ambulatory surgery operating rooms while maintaining patient satisfaction and safety. SUMMARY BACKGROUND DATA:In most hospitals, pati...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/01.sla.0000193600.97748.b1
更新日期:2006-01-01 00:00:00
abstract:OBJECTIVE:This study determined whether there are any laboratory or other features that will enable prediction of spontaneous closure in patients with gastrointestinal cutaneous fistulas. SUMMARY BACKGROUND DATA:Although the anatomic criteria for spontaneous closure of gastrointestinal cutaneous fistulas have been pre...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-199306000-00003
更新日期:1993-06-01 00:00:00
abstract::The dilution technique for determining cardiac output using indocyanine green dye is limited in patients weighing less than 20 kg because of the obligatory volume loss. Reproducible achieved using the green dye dilution method by the establishment of a low flow peripheral arteriovenous shunt. The shunt materials were ...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-198001000-00020
更新日期:1980-01-01 00:00:00
abstract:OBJECTIVE:To assess the impact of a laparoscopic approach on female fecundity in ileoanal pouch surgery. BACKGROUND:Restorative proctocolectomy with ileal pouch anal anastomosis (IPAA) is associated with tubal factor infertility in female patients. Different studies showed less adhesion formation after laparoscopic co...
journal_title:Annals of surgery
pub_type: 临床试验,杂志文章
doi:10.1097/SLA.0b013e318250caa9
更新日期:2012-12-01 00:00:00
abstract::The incidence of renovascular hypertension in the transplanted kidney is reported to range between 5 and 15%. A review of 391 consecutive renal transplant patients revealed 16 patients (5.4%) with hypertension secondary to partial obstruction of renal arterial blood flow. The clinical course of this group of patients ...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-198011000-00010
更新日期:1980-11-01 00:00:00
abstract:OBJECTIVE:We reviewed our experience with pediatric chest wall tumors (CWTs) to identify variables associated with survival, scoliosis development, and need for corrective scoliosis surgery. BACKGROUND:Chest wall neoplasms in children or adolescents are rare. Consequently, there are few large series that detail surviv...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/SLA.0000000000003495
更新日期:2019-07-25 00:00:00
abstract:BACKGROUND AND OBJECTIVE:Factors that control pancreatic regenerating (reg I) gene expression are unknown, but it is believed that its expression may correspond with cellular differentiation. The authors recently demonstrated that reg I is expressed in AR42J, a rat acinar cell line whose state of differentiation can be...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-199703000-00013
更新日期:1997-03-01 00:00:00
abstract:OBJECTIVE:In this study, we report the results obtained from 70 living donors in France. BACKGROUND:Left lateral sectionectomy for pediatric live donor liver transplantation is a well-standardized surgical procedure. Our team introduced the laparoscopic approach to live donation in 2002, and the reproducibility and sa...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/SLA.0000000000000642
更新日期:2015-03-01 00:00:00
abstract::Twenty-four patients with intra-peritoneal infections were studied sequentially to evaluate neutrophil chemotaxis, spontaneous migration, and chemiluminescence. In six patients, infection was due to spontaneous disease processes and 18 others, infection was a sequel of intra-abdominal operation. In the patients studie...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-198107000-00003
更新日期:1981-07-01 00:00:00
abstract::The morphologic characteristics of a scar may render it an "immunologically privileged site" providing fertile ground for tumor occurrence and growth. We sought to extend this concept and to determine the effect of different stages of wound healing on tumor occurrence. Syngeneic strain-2 guinea pigs and a methylcholan...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-197902000-00009
更新日期:1979-02-01 00:00:00
abstract:OBJECTIVE:This review summarizes reporting of complications of esophageal cancer surgery. BACKGROUND:Accurate assessment of morbidity and mortality after surgery for cancer is essential to compare centers, allow data synthesis, and inform clinical decision-making. A lack of defined standards may distort clinically rel...
journal_title:Annals of surgery
pub_type: 杂志文章,评审
doi:10.1097/SLA.0b013e3182480a6a
更新日期:2012-04-01 00:00:00
abstract:BACKGROUND:Pancreatic ductal adenocarcinoma (PDA) is a devastating disease that killed nearly 38,000 people in the United States this past year. OBJECTIVE:Treatment of PDA typically includes surgery and/or chemotherapy with gemcitabine. No reliable biomarker exists for prognosis or response to chemotherapy. Two previo...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/SLA.0b013e3181f1fd44
更新日期:2010-09-01 00:00:00
abstract::To evaluate the patency of PTFE (Gore-tex) as a femoropopliteal bypass, a prospective randomized trial was performed between PTFE and saphenous vein. Forty-nine consecutive patients with intermittent claudication, rest pain, or tissue loss due to an occlusion of the superficial femoral artery entered the study. Random...
journal_title:Annals of surgery
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/00000658-198512000-00020
更新日期:1985-12-01 00:00:00
abstract::The understanding of the association of mammalian ovarian function with lactation was common knowledge to dairy-men early in the 19th century or earlier. This thesis reviews the application of these empiric observations to lactation in humans by Beatson of Glasgow, supported by his preliminary laboratory investigation...
journal_title:Annals of surgery
pub_type: 传,历史文章,杂志文章
doi:10.1097/00000658-197612000-00009
更新日期:1976-12-01 00:00:00
abstract:OBJECTIVE:To determine and compare the frequency of cancer-associated genetic abnormalities in esophageal metaplasia biopsies with and without goblet cells. BACKGROUND:Barrett's esophagus is associated with increased risk of esophageal adenocarcinoma (EAC), but the appropriate histologic definition of Barrett's esopha...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/SLA.0000000000000424
更新日期:2014-07-01 00:00:00
abstract:BACKGROUND:Chest computed tomography (CT) screening of patients with blunt trauma for thoracic aortic injury is controversial. This study was undertaken to determine whether CT could exclude aortic injury and be used to select patients for aortography. METHODS:Computed tomography and aortography were used to evaluate ...
journal_title:Annals of surgery
pub_type: 临床试验,杂志文章
doi:10.1097/00000658-199411000-00015
更新日期:1994-11-01 00:00:00
abstract:OBJECTIVE:In Western populations, long-term survival rates after curative resection of gastric cancer remain extremely poor. The lack of effective adjuvant therapy has prompted the evaluation of neoadjuvant approaches. Since 1988, we have conducted three separate phase II trials using neoadjuvant chemotherapy to treat ...
journal_title:Annals of surgery
pub_type: 临床试验,杂志文章
doi:10.1097/00000658-199903000-00001
更新日期:1999-03-01 00:00:00
abstract:OBJECTIVE:There were 2 objectives: first, to investigate how many patients were excluded from surgery on the basis of the radiological extent of the peritoneal carcinomatosis (PC) or the clinical examination; and second, to develop a score based primarily on serum tumor markers (STMs) that could predict short cancer-sp...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/SLA.0b013e318254f281
更新日期:2012-12-01 00:00:00
abstract:OBJECTIVE:To evaluate the impact of health insurance expansion on racial disparities in severity of peripheral arterial disease. BACKGROUND:Lack of insurance and non-white race are associated with increased severity, increased amputation rates, and decreased revascularization rates in patients with peripheral artery d...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/SLA.0000000000001310
更新日期:2016-04-01 00:00:00
abstract:OBJECTIVE:We assessed circulating tumor cells (CTCs) with epithelial and mesenchymal phenotypes as a potential prognostic biomarker for patients with pancreatic adenocarcinoma (PDAC). BACKGROUND:PDAC is the fourth leading cause of cancer death in the United States. There is an urgent need to develop biomarkers that pr...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/SLA.0000000000001600
更新日期:2016-12-01 00:00:00
abstract::Five dogs prepared with Heidenhain pouches received infusions of saline, GIP and VIP before and after a standard meat meal. Blood samples were obtained under basal conditions and at subsequent intervals for measurement of gastrin, insulin, GIP and VIP by radioimmunoassay. GIP and VIP infusions had no effect on basal l...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/00000658-197607000-00016
更新日期:1976-07-01 00:00:00
abstract:OBJECTIVE:The purpose of this study was to investigate whether individualized deliberate practice on a virtual reality (VR) simulator results in improved technical performance in the operating room. BACKGROUND:Training on VR simulators has been shown to improve technical performance in the operating room (OR). Current...
journal_title:Annals of surgery
pub_type: 杂志文章,随机对照试验
doi:10.1097/SLA.0000000000000254
更新日期:2014-03-01 00:00:00
abstract::This review brings the total number of biliary cysts reported in the world literature to 955. Eighty-one per cent of patients are females and 61% were discovered before age ten. The classical triad of right upper quadrant pain, right upper quandrant mass, and juandice is present in 38% of cases. The duration of sympto...
journal_title:Annals of surgery
pub_type: 杂志文章,评审
doi:10.1097/00000658-197511000-00017
更新日期:1975-11-01 00:00:00
abstract:OBJECTIVE:To evaluate the effects of artesunate on organ injury and dysfunction associated with hemorrhagic shock (HS) in the rat. BACKGROUND:HS is still a common cause of death in severely injured patients and is characterized by impairment of organ perfusion, systemic inflammatory response, and multiple organ failur...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/SLA.0000000000001664
更新日期:2017-02-01 00:00:00
abstract:OBJECTIVE:The aim of this study was to evaluate the adequacy of esophageal classification for adenocarcinoma of the esophagogastric junction (AEJ) of the seventh American Joint Committee on Cancer (AJCC) TNM classification. BACKGROUND:The seventh AJCC TNM classification proposed the new classification for AEJ as a par...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/SLA.0b013e31824beb95
更新日期:2012-05-01 00:00:00
abstract:OBJECTIVE:To analyze the clinical course, treatment, complications, outcome, and quality of life (QOL) in patients with perineal/perianal rhabdomyosarcoma (PRMS) treated within the CWS-86, -91, -96, and -2002P trials. BACKGROUND:Although multiple international study trials exist for the treatment of rhabdomyosarcoma, ...
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.0b013e3182a6f320
更新日期:2014-06-01 00:00:00
abstract:OBJECTIVE:We developed and validated a nomogram predicting the likelihood of occult lymph node metastases in surgically resectable esophageal cancers. BACKGROUND:Patients with esophageal cancer with positive lymph nodes benefit from neoadjuvant therapy, but limitations in current clinical staging techniques mean nodal...
journal_title:Annals of surgery
pub_type: 杂志文章
doi:10.1097/SLA.0000000000003450
更新日期:2019-07-03 00:00:00
abstract:OBJECTIVE:The aim of the study was to assess feasibility and outcomes of a multicenter training program in laparoscopic pancreatoduodenectomy (LPD). BACKGROUND:Whereas expert centers have reported promising outcomes of LPD, nationwide analyses have raised concerns on its safety, especially during the learning curve. M...
journal_title:Annals of surgery
pub_type: 杂志文章,多中心研究
doi:10.1097/SLA.0000000000002563
更新日期:2019-02-01 00:00:00