transversus abdominis
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2022 ◽  
Vol 22 (1) ◽  
Author(s):  
Jian-ping Zhang ◽  
Na Zhang ◽  
Xu Chen ◽  
Yin Zhou ◽  
Zhen Jiang ◽  
...  

Abstract Objective We sought to evaluate the postoperative control of pain and recovery in patients with ovarian cancer who underwent cytoreductive surgery by adding dexmedetomidine to ropivacaine in bilateral dual-transversus abdominis plane (Bd-TAP) blocks. Methods We enrolled 90 patients with an American Society of Anesthesiologists physical status I to III undergoing open abdominal cytoreductive surgery in this study. Patients were randomized and assigned into three groups (TAP-R, TAP-DR, or CON) of 30 participants each. All of the patients received standardized general anesthesia, and postoperative Bd-TAP blocks were performed. The TAP-R, TAP-DR, and CON groups received Bd-TAP blocks with 0.3% ropivacaine, 0.3% ropivacaine and 0.5 μg/kg of dexmedetomidine, and 0.9% normal saline, respectively. All of the patients received patient-controlled analgesia (PCA) (formula, 100 μg of sufentanil and 16 mg of ondansetron diluted with normal saline to 100 mL). Flurbiprofen axetil was used as a rescue drug if the visual analog scale (VAS) score was more than four points. The first request time for PCA bolus; the VAS scores at 0, 6, 12, 24, and 48 h after operation; and the cumulative sufentanil consumption within 24 and 48 h, respectively, were compared. Pulmonary function was evaluated preoperatively and at 24 h after the operation. The use of the rescue drug was recorded. Postoperative functional recovery, including time to stand, time to walk, time to return of bowel function, time to readiness for discharge, and postoperative complications, were recorded. Results Median values of the first request time for PCA of the TAP-R group was significantly prolonged compared to that of the CON group (median [interquartile range], 7.3 [6.5–8.0] hours vs. 3.0 [2.3–3.5] hours) (P < .001), while the TAP-DR group has the longest request time among the three groups (median [interquartile range], 13.5 [12.4–14.5] hours) (P < .001). The VAS scores at rest and upon coughing of the TAP-R group in the first 12 h were significantly lower than those of the CON group (P < 0.05), but showed no significant difference compared to those of the TAP-DR group. The VAS scores at rest and upon coughing were lower in the TAP-DR group at each time point compared to those of the CON group (P < .05). The cumulative sufentanil consumption in the TAP-DR group was significantly lower at 48 h (P = .04) after surgery than in the CON group, while there was no significant difference compared to that in the TAP-R group (P > .05). Less rescue analgesic was required by patients in the TAP-DR group than in the CON group (P < .05). Postoperative mean measured forced expiratory volume in 1 s (FEV1) and FEV1/forced vital capacity values in the TAP-DR group were significantly higher than those of the CON group (P = .009), while there was no significant difference compared to those of the TAP-R group (P = .10). There was no significantly difference in postoperative functional recovery between TAP-DR and CON group (P > 0.05). Conclusion TAP blocks can provide effective pain relief up to 12 h postoperatively without a significant improvement in postoperative pulmonary function. The addition of dexmedetomidine to ropivacaine for Bd-TAP block prolonged the first bolus time of PCA when compared to that in the TAP-R group and decreased sufentanil consumption and the need of rescue analgesia relative to in the CON group at 48 h postoperative. The procedure provided better postoperative analgesia and improved postoperative pulmonary function relative to the CON group. Our results indicate that dexmedetomidine as an adjuvant of Bd-TAP can provide effective pain relief up to 48 h.


2022 ◽  
Vol 12 (1) ◽  
Author(s):  
Poupak Rahimzadeh ◽  
Seyed Hamid Reza Faiz ◽  
Kaveh Latifi-Naibin ◽  
Mahzad Alimian

AbstractNowadays, there are various methods to manage pain after laparoscopic cholecystectomy. The aim of this study was to compare the effectof preemptive versus postoperative use of ultrasound-guided transversus abdominis plane (USG-TAP) block on pain relief after laparoscopic cholecystectomy. In this single-blinded randomized clinical trial, the patients who were candidates for laparoscopic cholecystectomy were randomly divided into the two groups (n = 38 per group). In the preemptive group (PG) after the induction of anesthesia and in the postoperative group (POG) after the end of surgery and before the extubation, bilateral ultrasound-guided transversus abdominis plane (TAP) block was performed on patients using 20 cc of ropivacaine 0.25%. Both groups received patient controlled IV analgesia (PCIA) containing Acetaminophen (20 mg/ml) plus ketorolac (0.6 mg/ml) as a standard postoperative analgesia and meperidine 20 mg q 4 h PRN for rescue analgesia. Using the numerical rating scales (NSR), the patients’ pain intensity was assessed at time of arrival to the PACU and in 2th, 4th, 8th, 12th, 24th h. Primary outcome of interest is NSR at rest and coughing in the PACU and in 2th, 4th, 8th, 12th, 24th h. Secondary outcomes of interests were the time to first post-surgical rescue analgesic and level of patients’ pain control satisfaction in the first 24 h. The USG-TAP block significantly decreased pain score in the POG compared to the PG, and also the pain was relieved at rest especially in 8 and 12 h (p value ≤ 0.05) after the surgery. Pain score after coughing during recovery at 2, 8 and 12 h after the operation were significantly decreased. (p value ≤ 0.05) The patient satisfaction scores in the POG were significantly higher in all times. There was a statistically significant difference between the two groups in terms of rate of postoperative nausea and vomiting (PONV), indicating that patients in the POG had significantly lower incidences of the PONV compared tothe PG. The time to first analgesic request was significantly shorterin the POG, which was statistically significant (p value = 0.089). There was no statistically significant difference between the two groups in terms of consumption of analgesics. The postoperative TAP block could offer better postoperative analgesia than preepmtive TAP block.


Author(s):  
Divya Sethi ◽  
Garima Garg

Background: This study aimed to determine whether ultrasound-guided transversus abdominis plane (TAP) block is more effective in reducing postoperative pain and analgesic consumption than local anesthetic infiltration (LAI) at the port site for elective laparoscopic gynecological surgeries.Methods: Eighty patients with the American Society of Anesthesiologists status I/II undergoing laparoscopic gynecology surgery were enrolled for this randomized control trial. After general anesthesia was administered, patients in group C received LAI at each port site, and patients in group T received bilateral ultrasound-guided TAP. Postoperative pain was assessed at time intervals of 1/2, 2, 4, 6, 8, and 24 h using the numeric pain scale (NPS). Clinical metrics such as postoperative analgesic diclofenac consumption, need for rescue fentanyl, nausea-vomiting scores, and antiemetic requirements were also recorded.Results: Seventy-four patients were included in the final analysis. Postoperatively, patients in group T had significantly lower NPS than those in group C (P < 0.05). The highest difference in the postoperative NPS was observed at 2 h (median [1Q, 3Q]; group C = 3 [2, 4]; group T = 1 [0, 2]; P < 0.001). A statistically significant difference was observed in the frequency of diclofenac (75 mg intravenous) requirement between the groups (P = 0.010). No significant difference was observed between the groups in need of rescue fentanyl or antiemetic and the nausea-vomiting scores.Conclusions: In patients undergoing laparoscopic gynecological surgery, ultrasound-guided TAP block provided greater postoperative analgesic benefits in terms of lower NPS and reduced analgesic requirements than port site LAI.


2022 ◽  
Author(s):  
Pablo Santillán Roldan ◽  
Andrés Cepeda Mora ◽  
Pablo Armas Cruz ◽  
Lorena Guacales Zambrano ◽  
Geraldine Paredes ◽  
...  

Pain management after a surgical intervention is one of the fundamental pillars for optimal patient recovery. In obstetric patients, this management may affect the mother and the newborn. The gold standard for analgesic management is the use of intrathecal morphine due to its long-lasting effect; however, adverse effects related to the use of opioids are evidenced, whether administered intrathecally or systemically in case of contraindication to the neuraxial approach or if a long-acting opioid is not available. Cesarean sections have been associated with moderate-to-severe postoperative pain. Multimodal analgesic management seeks to minimize the undesirable effects on the mother-newborn binomial in order to increase maternal satisfaction. The most studied regional blocks for this surgery are the transversus abdominis plane block and the ilioinguinal-iliohypogastric block, which shows contradictory evidence at the time of evaluate pain where there is no significant difference compared with intrathecal morphine, but there were fewer side effects with the TAP block group when assessing pruritus, nausea, and vomiting. Quadratus lumborum and erectus spinae plane block demonstrate its usefulness with better pain management compared with TAP block regardless of them having a higher level of complexity due to the visceral pain control; but there is no evidence with methodologic quality enough that demonstrates better outcomes compared with intrathecal morphine.


2022 ◽  
Vol 9 ◽  
Author(s):  
Yizhuo Yang ◽  
Shuai Liu ◽  
Mengyu Ling ◽  
Chaoqun Ye

Objectives: Low back pain (LBP) has negative implications for the military's combat effectiveness. This study was conducted to determine the prevalence and risk factors of LBP among pilots through a questionnaire and physical function assessments.Methods: Data on the demographic and occupational characteristics, health habits, physical activity, and musculoskeletal injuries of 217 male pilots (114 fighter, 48 helicopter, and 55 transport pilots) were collected using a self-reported questionnaire and physical function assessments.Results: LBP prevalence was 37.8% in the total cohort and 36.0, 45.8, and 34.5% among fighter, helicopter, and transport pilots, respectively. Multivariate regression analysis revealed that the risk factors significantly associated with LBP were neck pain [odds ratio (OR): 3.559, 95% confidence interval (CI): 1.827–6.934], transversus abdominis activation (OR: 0.346, 95% CI: 0.172–0.698), and hip external rotator strength (OR: 0.001, 95% CI: 0.000–0.563) in the total cohort; neck pain (OR: 3.586, 95% CI: 1.365–9.418), transversus abdominis activation (OR: 0.268, 95% CI: 0.094–0.765), hip external rotator strength (OR: 0.000, 95% CI: 0.000–0.949), and weekly flying hours (OR: 3.889, 95% CI: 1.490–10.149) in fighter pilots; irregular strength training (OR: 0.036, 95% CI: 0.003–0.507) and hip external rotator strength (OR: 0.000, 95% CI: 0.000–0.042) in helicopter pilots; and neck pain (OR: 6.417, 95% CI: 1.424–28.909) in transport pilots.Conclusions: High volume flight schedules and weak core muscle functions have significant negative effects on pilots' back health. LBP is commonly associated with high weekly flying hours, worsening neck pain, transversus abdominis insufficient activation, and reduced hip extensor/rotator strength. Risk factors vary among pilots of different aircraft. Thus, specific core muscle training would be especially important for military pilots.


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