- ICH GCP
- 미국 임상 시험 레지스트리
- 임상시험 NCT02884388
A Combined Nerve Block in Elderly Patients Subjected to Total Hip Replacement
Effects of a Combined Nerve Block on Intraoperative Stress and Postoperative Immune Function in Elderly Patients Subjected to Total Hip Replacement: Study Protocol for a Randomized Controlled Trial
연구 개요
상세 설명
The elderly patients have poor tolerance to anesthesia and total hip replacement because of severe surgical trauma and much blood loss. General anesthesia is a primary anesthesia method used previously for total hip replacement in the elderly and it has many limitations, for example, it can interfere with the physiological function in the elderly patients. The organic function and compensative ability of the elderly are often weakened to varying degrees because of cardiovascular disease, pulmonary disease or diabetes mellitus, thus nociceptive stimuli such as anesthesia and surgery greatly influence the stress.
Stress refers to an organism's non-specific reactions to various nociceptive stimuli, i.e., stressors, in which many factors are involved. It can stimulate sympathetic nerves, strengthen the function of hypothalamic-pituitary-adrenal axis, and cause changes in various metabolisms, thereby playing an important role in maintaining intraoperative vital signs and recovering postoperative immune function. Different anesthesia methods produce different effects on organism's immune function. Effects of anesthesia on immune function are closely related to the complications, such as postoperative infection. In addition, the immunity in the elderly is relatively poorer than that in the normal healthy population. Therefore, a rational anesthesia method is of important clinical significance for safe surgery and postoperative recovery in the elderly. A combined nerve block has been reportedly to be more suitable for total hip replacement in the elderly because of its safety and reliability.
Previous related studies focused primarily on onset time of anesthesia and postoperative complications. To the best of our knowledge, no studies have been reported on the effect of a combined nerve block on intraoperative stress and postoperative immune function in the elderly patients subjected to total hip replacement. Therefore, this study is innovative in our mind.
Adverse events
If severe adverse events including any expected or unexpected symptoms occur, information including the data of occurrence, type of adverse events, measures taken related to the treatment of the adverse events will be reported to the project manager and the institutional review board within 24 hours.
Data collection, management, analysis and open access
Data collection: according to trial design type and requirement, a table will be developed to record trial data. The recorded data will be input into an electronic database using a double-data entry strategy by trained professional staff.
Data management: information accuracy will be checked when all recruited patients are followed up. The database will be locked by the researcher in charge and will not be altered. All information relating to this trial will be preserved by Qinghai University Affiliated Hospital, China.
Data analysis: The electronic database will be made available to a professional statistician for statistical analysis. An outcome analysis report will be made by the statistician and submitted to the lead researchers. An independent data monitoring committee will supervise and manage the trial data with the goal of ensuring a scientific and stringent trial process, resulting in accurate and complete data.
Data open access: Anonymized trial data will be published at http://www.figshare.com.
Statistical analysis
Statistical analysis will be performed by a statistician using SPSS 19.0 software and will follow the intention-to-treat principle. Normally distributed measurement data will be expressed as a mean, standard deviation, min, and max. Non-normally distributed measurement data will be expressed as a lower quartile (q1), median, and upper quartile (q3).
The Mann-Whitney U test will be used to compare fasting blood glucose level, serum cortisol concentration, hemorrheological indexes and immune function-related indices between experimental and control groups. The Mcnemar χ2 test will be used to compare the incidence of adverse events between experimental and control groups, with an accepted significance level of α = 0.05.
연구 유형
등록 (예상)
단계
- 해당 없음
연락처 및 위치
연구 장소
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Qinghai
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Xining, Qinghai, 중국, 810001
- 모병
- Qinghai University Affiliated Hospital
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연락하다:
- Liangde A, Master
- 전화번호: 8618009782881
- 이메일: liangdea_qu@sina.com
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
Inclusion Criteria:
- Blood pressure below 160/90 mmHg (1 mm = 0.133 kPa)
- Hemoglobin > 90 g/L
- Fasting blood glucose level < 10 mM
- Preoperative examinations (blood, urine, stool tests, hepatic and renal function, blood coagulation, electrolyte level and electrocardiogram): normal
- Type I-II in American Society of Anesthesiology (ASA) classification
- Age > 65 years
- Of either sex
- Provision of signed informed consent to participate in the trial
Exclusion Criteria:
- Severe heart, liver, lung, kidney or hematological system diseases, severe infection or malignant tumor
- Allergy to anesthetic agents
- Are taking immunosuppressive agents and/or glucocorticoid
- Viral infections
- Mental disorder, dysnoesia, hearing disorder or poor compliance during the anesthesia
- Alcohol or drug abuse
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 치료
- 할당: 무작위
- 중재 모델: 병렬 할당
- 마스킹: 없음(오픈 라벨)
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
---|---|
실험적: experimental group
Combined nerve block will be used, involving lower lumbar plexus, sciatic nerve, and paraspinal nerve L1-2.
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Patients in this group were assigned to receive lower lumbar plexus block, sciatic nerve block, and paraspinal nerve L1-2 block.
다른 이름들:
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실험적: control group
General anesthesia will be used in this group.
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Patients in this group were assigned to receive general anesthesia.
다른 이름들:
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
---|---|---|
Intraoperative serum cortisol concentration
기간: during surgery
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To evaluate intraoperative stress response.
The normal serum cortisol concentration is 138-635 nM measured at 8:00 a.m.-10:00 a.m. and 83-359 nM at 4:00 p.m.-6:00 p.m. Greater intraoperative serum cortisol concentration indicates stronger stress response.
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during surgery
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2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
---|---|---|
Serum cortisol concentration
기간: prior to anesthesia, prior to and immediately after surgery
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to evaluate patient's stress response.
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prior to anesthesia, prior to and immediately after surgery
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Blood glucose level
기간: prior to anesthesia, prior to, during and immediately after surgery
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to evaluate patient's stress response at each time period.
The fasting blood glucose in the normal population is 3.61-6.11
mM.
Higher fasting blood glucose level indicates stronger stress response .
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prior to anesthesia, prior to, during and immediately after surgery
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Incidence of adverse events
기간: 1, 3, 7 days and 3 months after surgery
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These adverse events include upper respiratory tract infection, pulmonary infection, acute atelectasis and acute pulmonary embolism.
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1, 3, 7 days and 3 months after surgery
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공동 작업자 및 조사자
수사관
- 수석 연구원: Liangde A, Master, Affiliated Hospital of Qinghai University
연구 기록 날짜
연구 주요 날짜
연구 시작
기본 완료 (예상)
연구 완료 (예상)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (추정)
연구 기록 업데이트
마지막 업데이트 게시됨 (추정)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
추가 관련 MeSH 약관
기타 연구 ID 번호
- QinghaiUH_002
개별 참가자 데이터(IPD) 계획
개별 참가자 데이터(IPD)를 공유할 계획입니까?
이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .
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