Objective: Obstructive sleep apnoea (OSA) is a common cause of secondary hypertension. This network metaanalysis (NMA) assessed the effect of different OSA treatments on lowering blood pressure.Methods: PubMed, EMBASE, Web of Science, and Cochrane Library databases were searched for relevant randomized controlled trials. The search strategies included the concepts of OSA, blood pressure, hypertension, and blood pressure-reducing treatments without language or data restriction (from inception to 1 June 2021). The outcomes included office SBP, office DBP, daytime SBP (dSBP) and DBP (dDBP), and night-time SBP (nSBP) and DBP (nDBP). A Bayesian network meta-analysis was performed, and mean differences with 95% credibility intervals were calculated.Results: We reviewed 49 randomized controlled trials involving 4893 patients and the following interventions: continuous positive-airway pressure (CPAP), mandibular advancement devices, nocturnal supplemental oxygen, surgery, b-blocker, angiotensin-converting enzyme inhibitors (ACEIs)/angiotensin receptor blockers (ARBs), renal sympathetic denervation (RDN), mineralocorticoid receptor antagonists (MRAs), calcium channel blockers. MRAs were significantly associated with blood pressure reduction followed by ACEI/ARB. RDN could reduce office SBP, office DBP, 24-h SBP, 24-h DBP, dSBP, and dDBP. CPAP also demonstrated modest blood pressure lowering. Conclusion:MRAs and ACEIs/ARBs can reduce blood pressure effectively in patients with OSA. RDN is a novel hypertension treatment that lowered blood pressure in such patients. CPAP was associated with mild but stable blood pressure reduction, and it might be helpful as an adjunctive therapy in OSA patients with hypertension.Review registration: This systematic review and metaanalysis was registered in PROSPERO: CRD42021240891.
Background: Intradialytic hypotension (IDH) is a common complication in hemodialysis. IDH can induce vomiting, chest tightness and syncope, and hemodialysis shall be discontinued in patients with severe IDH. As is revealed in related studies, Shenmai injection (SMI) can be used in the prophylaxis and treatment of IDH. However, there is still a lack of consensus about the efficacy among reported studies, which cannot provide compelling evidence. Therefore, a meta-analysis was conducted in this study to further investigate the efficacy and safety of SMI in the prophylaxis and treatment of IDH. Methods: PubMed, Web of Science, Scopus, Cochrane Library, Embase, China Scientific Journal Database, China National Knowledge Infrastructure, Chinese Biomedical Literature Database, and Wanfang Data were systematically retrieved from their establishment to June 2022. Subsequently, literature screening, data extraction, quality evaluation and cross-checking of results were performed according to the Cochrane Handbook. Besides, a meta-analysis was performed with the assistance of Revman 5.3 software. Results: This study will evaluate whether SMI is effective in the prophylaxis and treatment of IDH. Conclusions: The latest evidence for the efficacy and safety of SMI in the prevention and treatment of IDH can be provided through this study.
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