Analgesic efficacy of PECS and serratus plane blocks after breast surgery: A systematic review, meta-analysis and trial sequential analysis.

Study Objective: To determine whether pectoral nerves (PECS) blocks provide effective postoperative analgesia when compared with no regional technique in patients undergoing breast surgery.

Design: Systematic review, meta-analysis and trial sequential analysis.

Setting: Operating room, postoperative recovery area and ward, up to 24 postoperative hours.

Syphilis and parvovirus B19 co-infection imitating a lupus nephropathy: A case report.

Rationale: Syphilis can share clinical features with autoimmune diseases, such as cutaneous Lupus or rheumatoid arthritis. Moreover, secondary syphilis can have visceral involvement, thus affecting the kidney. Syphilitic nephropathy causes nephrotic syndrome with a classic membranous pattern.