Prostatic hyperplasia
Conditions
Interventions
Gold Standard:Ultrasound measurement of the cross-sectional area of the inferior vena cava
Index test:Ultrasound measurement of cross-sectional area of subclavian vein
Sponsors
Yan'an Hospital of Kunming City
Eligibility
Sex/Gender
Male
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: (1) Both the study subjects and their families signed the informed consent form for anesthesia. (2) Patients with ASA grade I-III, aged 18-80 years old, who are scheduled to undergo elective surgery for transurethral resection of the prostate. (3) There are no serious comorbidities, and all patients have undergone complete preoperative preparations, including perfect preoperative examinations: blood routine, coagulation function, four pre-transfusion tests, liver and kidney function, electrolytes, blood glucose, blood lipids, chest X-ray, electrocardiogram, etc. (4) The fasting time = 6h, and the fasting time =2h.
Exclusion criteria
Exclusion criteria: (1) Anesthetize patients with ASA class >III (2) Patients with sudden and life-threatening changes in emergency vital signs before surgery; (3) Patients presenting with respiratory distress, increased intra-abdominal pressure, anticipatory airway or mental dysfunction; (4) Patients with autonomic nervous system disorders; (5) Patients with implantable pacemakers or cardioverters; (6) Patients with peripheral vascular disease, severe cardiovascular disease, unstable angina pectoris, or ejection fraction less than 40%; (7) Patients with moderate or above pulmonary artery elevation, pericardial effusion, and portal hypertension; (8) Patients with renal insufficiency, intra-abdominal hypertension or ascites, abdominal obesity that is difficult to observe the inferior vena cava (9) Patients with contraindications to neuraxial anesthesia.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Rate of subclavian vein collapse; | — |
Secondary
| Measure | Time frame |
|---|---|
| Inferior vena cava collapse rate;Sensitivity;Specificity; | — |
Countries
China
Contacts
Public ContactXintong Chen
Yan'an Hospital of Kunming City
Outcome results
None listed