No previous meta-analysis had explored the association between vitamin D supplementation in healthy pediatrics and the risk of acute respiratory tract infections (ARTIs). Thus, we meta-analyzed the current evidence in this regard to provide sufficient knowledge about this risk-benefit ratio for vitamin D supplementation in this specific age group. We searched seven databases for randomized controlled trials (RCTs) that investigated the effect of vitamin D supplementation and ARTIs risk on a healthy pediatric population (0–18 years old). Meta-analysis was performed through R software. We included eight RCTs after the screening of 326 records according to our eligibility criteria. There were comparable infection rates between Vitamin D and placebo groups (OR = 0.98, 95% CI = 0.90–1.08, P-value = 0.62), with no significant heterogeneity among the included studies (I2 = 32%; P-value = 0.22). Moreover, there was no significant difference between the two vitamin D regimens (OR = 0.85, 95% CI = 0.64–1.12, P-value = 0.32), with no considerable heterogeneity among the included studies (I2 = 37%; P-value = 0.21). However, there was a significant reduction in Influenza A rates in the high-dose vitamin D group compared to the low dose one (OR = 0.39, 95% CI = 0.26–0.59, P-value < 0.001), with no heterogeneity among the included studies (I2 = 0%; P-value = 0.72). Only two studies of 8,972 patients reported different side effects, with overall acceptable safety profile. Regardless of the dosing regimen used or the type of infection, in the healthy pediatric group, there is no evident benefit of using vitamin D to prevent or reduce the ARTI rates.
Background: Serratus anterior plane block (SAPB) was first proposed in 2013 as a new method for regional nerve block, while erector spinae plane block (ESPB) was first proposed in 2016. Both regional nerve block techniques can be used for analgesia in thoracic and breast surgery, but the debate about their actual effects continues. The purpose of this systematic review was to compare the analgesic effects of these two nerve block techniques after thoracic and breast surgery. Methods: We systematically searched the PubMed, Embase, Web of Science and Cochrane Library databases up to August 2022. We performed a meta-analysis of clinical randomized controlled trials (RCTs) comparing the effects of SAPB and ESPB on postoperative analgesia in patients undergoing thoracic and breast surgery. Results: A total of 11 RCTs were included. Meta-analysis revealed that compared with the SAPB group, patients in the ESPB group had significantly reduced 24-hour postoperative opioid consumption (standardized mean difference [SMD]: -0.76; 95% confidence interval [CI]: -1.29 to -0.24; P < 0.01; I2=88%). Rest or movement pain scores were significantly lower at various time points postoperatively. In addition, ESPB-group patients had significantly reduced intraoperative opioid consumption (SMD: -0.43; 95% CI: -0.64 to -0.23; P<0.001; I2=35%). In terms of time to first use of analgesics, ESPB significantly prolonged the time to first analgesic use (SMD: 3.53; 95% CI: 1.62 to 5.44; P < 0.001; I2 = 97%). Conclusions: Compared with SAPB, ESPB is more effective in analgesia after thoracic and breast surgery, especially in thoracic surgery.
ObjectiveSerratus anterior plane block (SAPB) is a new perioperative analgesia for patients undergoing thoracic and breast surgery. The primary purpose of this systematic review and meta-analysis was to investigate whether ultrasound-guided SAPB combined with general anesthesia provides safer and more effective postoperative analgesia than general anesthesia alone or general anesthesia combined with incisional local infiltration anesthesia in patients receiving thoracic and breast surgery.MethodsWe systematically searched PubMed, Embase, Web of Science and the Cochrane Library databases for clinical randomized controlled trials (RCTs) of SAPB for postoperative analgesia in thoracic and breast surgery. The primary outcome was the postoperative pain score. Secondary outcomes included intraoperative opioid consumption, 24-h postoperative opioid consumption, time to first use of analgesics, number of patients requiring urgent additional analgesics, opioid complications (postoperative nausea, vomiting, respiratory depression, constipation, dizziness, sedation) and length of hospital stay. The risk of bias was assessed using the Cochrane method and Jadad score.ResultsA total of 29 RCTs with 1,978 patients were included. Twelve studies included thoracic surgery, and 17 studies included breast surgery. The results of the meta-analysis showed that the rest or movement pain scores of the SAPB group were significantly lower than those of the control group at each postoperative time point. In addition, morphine consumption was significantly reduced in the SAPB group at 24 h postoperatively (standardized mean differences [SMD], −2.77; 95% confidence interval [CI], −3.56 to −1.97; P < 0.01). Intraoperative opioid consumption was significantly reduced in the SAPB group (SMD, −0.66; 95% CI, −1.03 to −0.28; P < 0.01); and the number of patients requiring urgent additional pain medication postoperatively (risk ratio [RR], 0.34; 95% CI,0.27 to 0.42; P < 0.01) was significantly lower; and the time to first use of analgesics was significantly longer (SMD, 3.49; 95% CI, 2.23 to 4.74; P < 0.01); and the incidence of postoperative nausea and vomiting (PONV) (RR, 0.43; 95% CI, 0.34 to 0.54; P < 0.01), constipation (RR, 0.12; 95% CI, 0.03 to 0.52; P < 0.01; I2 = 0), dizziness (RR, 0.24; 95% CI, 0.06 to 0.92; P < 0.05; I2 = 0) and sedation (RR, 0.07; 95% CI, 0.01 to 0.52; P < 0.01; I2 = 0) were significantly lower; the length of hospital stay was significantly shorter (SMD, −0.28; 95% CI, −0.46 to −0.09; P < 0.01) and the SAPB group have a significantly reduced the incidence of postoperative pain syndrome at 3 months.ConclusionsCompared with no SAPB block, ultrasound-guided SAPB provides superior postoperative analgesia by reducing postoperative pain scores, the incidence of postoperative pain syndrome at 3 months and perioperative opioid consumption in patients after thoracic and breast surgery. At the same time, SAPB reduces the incidence of side effects of opioids and shortens the length of hospital stay. SAPB can be used as a feasible technique for multimodal analgesia in the perioperative period.
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