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To retrospectively analyze the intraoperative and postoperative status of patients with hypertrophic cardiomyopathy undergoing TA-BSM, and to estimate whether paravertebral nerve block can improve postoperative pain for these patients.
Since conventional septal myectomy can be only assessed when the heart resumes beating, and the complications induced by cardiopulmonary bypass are inevitable, a novel transapical beating-heart septal myectomy (TA-BSM) has been invented, which provides real-time evaluation to guide resection while reducing surgical trauma. Postoperative pain after TA-BSM is unknown. Whether paravertebral nerve block can improve postoperative pain caused by TA-BSM is the objective of our study.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| group GA+PVB | The patients received General Anesthesia(GA) combined with Paravertebral Block(PVB). |
| |
| group GA only | The patients received general anesthesia only. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Thoracic paravertebral block | Procedure | Thoracic paravertebral block was performed before surgery |
|
| Measure | Description | Time Frame |
|---|---|---|
| Morphine consumption | Cumulative morphine consumption | During the first 48 hours after surgery |
| Measure | Description | Time Frame |
|---|---|---|
| Postoperative pain score 1 | Visual Analogue Scale score(0-10 stands for the degree of pain, 0=no pain, 10=the worst pain ever) | 24 hours after surgery and and 48 hours after surgery |
| Postoperative pain score 2 |
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Inclusion Criteria:
Exclusion Criteria:
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The information of all patients with hypertrophic cardiomyopathy undergoing TA-BSM in our hospital from April 2023 to September 2023 was extracted and screened according to the inclusion criteria and exclusion criteria.
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| Name | Affiliation | Role |
|---|---|---|
| Wenlong Yao | Tongji Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Tongji Hospital, Tongji Medical College, Huazhong Science and Technology University | Wuhan | Hubei | 430030 | China |
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Brief Pain Inventory(The degree of pain [0 no pain to 10 very painful] and the impact of pain on daily life function [0 no impact to 10 very impact])
| Day 7 after surgery and month 3 after surgery |
| Physical recovery after surgery | Quality of recovery(Rating from 0 [very poor] to 150 [excellent]) | Day 7 after surgery |
| Complications | The incidence of nausea and vomiting | 24 hours and 48 hours after surgery |
| Perioperative information 1 | The usage of analgesic drug | Immediately after the surgery |
| Perioperative information 2 | Mean arterial blood pressure | P1= before induction, P2= 5 minutes after tracheal intubation, P3= before skin incision, P4= 5 minutes after skin incision, P5=5 minutes after placed the rib spreader |
| Perioperative information 3 | Heart reat | P1= before induction, P2= 5 minutes after tracheal intubation, P3= before skin incision, P4= 5 minutes after skin incision, P5=5 minutes after placed the rib spreader |
| Perioperative information 4 | Duration of anesthesia | Immediately after the surgery |
| Postoperative information 1 | Extubation time | Postoperative in 24 hours |
| Postoperative information 2 | The usage of analgesic drug | Postoperative in 48 hours |