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Effects of Anesthesia Techniques on Outcomes after Hip Fracture Surgery in Elderly Patients: A Prospective, Randomized, Controlled Trial.

ABSTRACT: The superiority of distinct anesthesia methods for geriatric hip fracture surgery remains unclear. We evaluated high mobility group box-1 (HMGB1) and interleukin-6 (IL-6) with three different anesthesia methods in elderly patients undergoing hip fracture surgery. Routine blood test findings, postoperative morbidity, and mortality were assessed as secondary outcome. In total, 176 patients were randomized into desflurane (n = 60), propofol (n = 58), or spinal groups (n = 58) that received desflurane-based balanced anesthesia, propofol-based total intravenous anesthesia (TIVA), or spinal anesthesia, respectively. The spinal group required less intraoperative vasopressors (p < 0.001) and fluids (p = 0.006). No significant differences in HMGB1 (pgroup×time = 0.863) or IL-6 (pgroup×time = 0.575) levels were noted at baseline, postoperative day (POD) 1, or POD2. Hemoglobin, albumin, creatinine, total lymphocyte count, potassium, troponin T, and C-reactive protein were comparable among groups at all time-points. No significant differences in postoperative hospital stay, intensive care unit (ICU) stay, and ventilator use among groups were observed. Postoperative pulmonary, cardiac, and neurologic complications; and in-hospital, 30-day, and 90-day mortality were not significantly different among groups (p = 0.974). In conclusion, HMGB1 and IL-6, and all secondary outcomes, were not significantly different between desflurane anesthesia, propofol TIVA, and spinal anesthesia.

SUBMITTER: Shin S

PROVIDER: S-EPMC7355551 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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Effects of Anesthesia Techniques on Outcomes after Hip Fracture Surgery in Elderly Patients: A Prospective, Randomized, Controlled Trial.

Shin Seokyung S Kim Seung Hyun SH Park Kwan Kyu KK Kim Seon Ju SJ Bae Jae Chan JC Choi Yong Seon YS

Journal of clinical medicine 20200526 6

The superiority of distinct anesthesia methods for geriatric hip fracture surgery remains unclear. We evaluated high mobility group box-1 (HMGB1) and interleukin-6 (IL-6) with three different anesthesia methods in elderly patients undergoing hip fracture surgery. Routine blood test findings, postoperative morbidity, and mortality were assessed as secondary outcome. In total, 176 patients were randomized into desflurane (n = 60), propofol (n = 58), or spinal groups (n = 58) t ...[more]

PMID: 32466360

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Project description:BACKGROUND:Previous meta-analyses assessing anesthetic techniques in adult patients undergoing hip fractures surgery are available. However, whether the anesthetic technique is associated with risk of mortality and complications in geriatric patients with hip fractures remains unclear. This study was conducted to assess postoperative outcomes of anesthesia technique in geriatric patients undergoing hip fracture surgery. METHODS:Cochrane Library, PubMed, EMBASE, MEDLINE, CNKI, and CBM were searched from inception up to May 25, 2018. Observational studies and randomized controlled trials (RCTs) that assessed the perioperative outcomes of technique of anesthesia (general or regional [epidural/spinal/neuraxial]) in geriatric patients (?60 years old) undergoing hip fracture surgery were included. Two investigators independently screened studies for inclusion and performed data extraction. Heterogeneity was assessed by the I and Chi-square tests. The odds ratio (OR) of the dichotomous data, mean difference (MD) of continuous data, and 95% confidence intervals (CI) were calculated to assess the pooled data. RESULTS:Eleven retrospective and 2 RCTs were included. There was no difference in 30-day mortality (OR?=?0.96; 95% CI 0.86-1.08; P?=?.51) between the general and regional anesthesia groups. In-hospital mortality (OR?=?1.26; 95% CI 1.17-1.36; P?<?.001), acute respiratory failure (OR?=?2.66; 95% CI 2.34-3.02; P?<?.001), length of hospital stay (MD?=?0.33; 95% CI 0.24-0.42; P?<?.001), and readmission (OR?=?1.09; 95% CI 1.01-1.18; P?=?.03) were significantly reduced in the regional anesthesia group. Pneumonia (OR?=?0.99; 95% CI 0.91-1.07; P?=?.79), heart failure (OR?=?0.97; 95% CI 0.86-1.09; P?=?.62), acute myocardial infraction (OR?=?1.07; 95% CI 0.99-1.16; P?=?.10), acute renal failure (OR?=?1.32; 95% CI 0.97-1.79; P?=?.07), cerebrovascular accident (OR?=?1.08; 95% CI 0.82-1.42; P?=?.58), postoperative delirium (OR?=?1.51; 95% CI 0.16-13.97; P?=?.72), and deep vein thrombosis/pulmonary embolism (OR?=?1.42; 95% CI 0.84-2.38; P?=?.19) were similar between the two anesthetic techniques. CONCLUSION:General anesthesia is associated with increased risk of in-hospital mortality, acute respiratory failure, longer hospital stays, and higher readmission. There is evidence to suggest that regional anesthesia is associated with improved perioperative outcomes. Large RCTs are needed to explore the most optimal anesthetic techniques for geriatric patients with hip fractures before drawing final conclusions. PROSPERO REGISTRATION NUMBER:CRD42018093582.

Project description:BackgroundBupivacaine and levobupivacaine have similar pharmacokinetic and pharmacodynamic characteristics, and are used regularly in spinal anesthesia. Whether potential differences in their hemodynamic and anesthetic profiles could determine a differential risk of complications in elderly subjects, is controversial. The main objective was to compare the effects of intrathecally administered levobupivacaine (LB) versus bupivacaine (B), on regional cerebral O2 saturation during spinal anesthesia, cognitive status and neurological complications in elderly patients undergoing surgery for hip fracture.MethodsThis was a randomized, controlled, single blind study. 58 patients aged 70 or older undergoing surgery for hip fracture with spinal anesthesia were allocated with a 1:1 ratio to receive LB or B, combined with fentanyl 15 μg, by intrathecal route. The primary outcome was the proportion of intraoperative time with regional cerebral desaturation (≥20% reduction in regional cerebral oxygen saturation from baseline), monitored by near -infrared spectroscopy. Secondary endpoints included hemodynamic parameters, level of sensory and motor block, changes in Short Portable Mental Status Questionnaire (SPMSQ), and neurological complications.ResultsThe mean percentage of intraoperative time with desaturation in the B group was 6.1% (SD: 17.5) and 4.7% (SD: 11.9) in the left and right hemisphere respectively; in the LB group the mean was 4.8% (SD: 11.4) in the left hemisphere and 2.4% (SD: 8.3) in the right one. No statistically significant differences were found between treatment groups. The level of sensory block at the start of surgery was lower for LB than for B (Th10 vs Th8, p:0.047) and motor block at 15 min was lower for LB (2.5 vs 3, p:0.009). No differences in postoperative SPMSQ were observed. Neurological complications such as confusional state, agitation or disorientation were reported in 50% of patients in the B group and 21.4% of patients in the LB group, p = 0.05.ConclusionsNo statistically significant differences in regional cerebral oxygen saturation or hemodynamic parameters were observed between both treatment groups. Bupivacaine and levobupivacaine differed in sensory and motor block achieved. While no differences were observed in cognitive impairment measured by the SPMSQ between treatment groups neurological complications reported by the physician were more frequent with bupivacaine.Trial registrationEuropean Union Clinical Trials Register ( EudraCT 2013-000846 -20 ) (April 9th, 2013). ClinicalTrials.gov ( NCT01960543 ) (September 23rd, 2013).

Project description:BackgroundStrategies to protect the brain from postoperative delirium (POD) after hip fracture are urgently needed. The development of delirium often is associated with the loss of independence, poor functional recovery, and increased morbidity, as well as increases in length of hospital stay, discharges to nursing facilities, and healthcare costs. We hypothesize that xenon may reduce the burden of POD, (i) by avoiding the need to provide anesthesia with a drug that targets the γ-amino-butyric acid (GABA)A receptor and (ii) through beneficial anesthetic and organ-protective effects.Methods and designAn international, multicenter, phase 2, prospective, randomized, blinded, parallel group and controlled trial to evaluate the incidence of POD, diagnosed with the Confusion Assessment Method (CAM), in older patients undergoing hip fracture surgery under general anesthesia with xenon or sevoflurane, for a period of 4 days post surgery (primary outcome) is planned. Secondary objectives are to compare the incidence of POD between xenon and sevoflurane, to evaluate the incidence of POD from day 5 post surgery until discharge from hospital, to determine the time to first POD diagnosis, to evaluate the duration of POD, to evaluate the evolution of the physiological status of the patients in the postoperative period, to evaluate the recovery parameters, to collect preliminary data to evaluate the economical impact of POD in the postoperative period and to collect safety data. Patients are eligible if they are older aged (≥ 75 years) and assigned to a planned hip fracture surgery within 48 h after the hip fracture. Furthermore, patients need to be willing and able to complete the requirements of this study including the signature of the written informed consent. A total of 256 randomized patients in the 10 participating centers will be recruited, that is, 128 randomized patients in each of the 2 study groups (receiving either xenon or sevoflurane).Trial registrationEudraCT Identifier: 2009-017153-35; ClinicalTrials.gov Identifier: NCT01199276.

Project description:IMPORTANCE:More than 300,000 hip fractures occur each year in the United States. Recent practice guidelines have advocated greater use of regional anesthesia for hip fracture surgery. OBJECTIVE:To test the association of regional (ie, spinal or epidural) anesthesia vs general anesthesia with 30-day mortality and hospital length of stay after hip fracture. DESIGN, SETTING, AND PATIENTS:We conducted a matched retrospective cohort study involving patients 50 years or older who were undergoing surgery for hip fracture at general acute care hospitals in New York State between July 1, 2004, and December 31, 2011. Our main analysis was a near-far instrumental variable match that paired patients who lived at different distances from hospitals that specialized in regional or general anesthesia. Supplementary analyses included a within-hospital match that paired patients within the same hospital and an across-hospital match that paired patients at different hospitals. EXPOSURES:Spinal or epidural anesthesia; general anesthesia. MAIN OUTCOMES AND MEASURES:Thirty-day mortality and hospital length of stay. Because the distribution of length of stay had long tails, we characterized this outcome using the Huber M estimate with Huber weights, a robust estimator similar to a trimmed mean. RESULTS:Of 56,729 patients, 15,904 (28%) received regional anesthesia and 40,825 (72%) received general anesthesia. Overall, 3032 patients (5.3%) died. The M estimate of the length of stay was 6.2 days (95% CI, 6.2 to 6.2). The near-far matched analysis showed no significant difference in 30-day mortality by anesthesia type among the 21,514 patients included in this match: 583 of 10,757 matched patients (5.4%) who lived near a regional anesthesia-specialized hospital died vs 629 of 10,757 matched patients (5.8%) who lived near a general anesthesia-specialized hospital (instrumental variable estimate of risk difference, -1.1%; 95% CI, -2.8 to 0.5; P?=?.20). Supplementary analyses of within and across hospital patient matches yielded mortality findings to be similar to the main analysis. In the near-far match, regional anesthesia was associated with a 0.6-day shorter length of stay than general anesthesia (95% CI, -0.8 to -0.4, P?<?.001). Supplementary analyses also showed regional anesthesia to be associated with shorter length of stay, although the observed association was smaller in magnitude than in the main analysis. CONCLUSIONS AND RELEVANCE:Among adults in acute care hospitals in New York State undergoing hip repair, the use of regional anesthesia compared with general anesthesia was not associated with lower 30-day mortality but was associated with a modestly shorter length of stay. These findings do not support a mortality benefit for regional anesthesia in this setting.

Dataset Information

Effects of Anesthesia Techniques on Outcomes after Hip Fracture Surgery in Elderly Patients: A Prospective, Randomized, Controlled Trial.

Publications

Effects of Anesthesia Techniques on Outcomes after Hip Fracture Surgery in Elderly Patients: A Prospective, Randomized, Controlled Trial.

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