Zhou Lindsay, Muthucumaru Mathievathaniy, Tan Kenneth, Lau Kenneth
Department of Paediatric Surgery, Monash Medical Centre, Melbourne, VIC, Australia.
Department of Neonatology, Monash Medical Centre, Melbourne, VIC, Australia.
BJR Case Rep. 2016 Jul 28;2(3):20150327. doi: 10.1259/bjrcr.20150327. eCollection 2016.
Knotting of intravascular catheters has been well described, and all such cases documented in the literature have occurred during catheter insertion. Knot formation has not been reported during the removal of a peripherally inserted central venous line (Epicutaneo-Cava 2 French 24 gauge) in a neonate. The mechanism of knotting in our case is not fully understood. This case emphasizes the value of plain radiography in detecting the presence of a knot in the line, and is being presented to raise the awareness about knot formation if undue resistance is felt during line removal. Early recognition of this rare but serious complication may avoid line fracture and potential fragment embolization.
血管内导管打结已有详尽描述,文献中记载的所有此类病例均发生在导管插入过程中。在新生儿拔除外周插入中心静脉导管(经皮腔静脉2法式24号)时,尚未有打结形成的报道。我们病例中的打结机制尚不完全清楚。该病例强调了X线平片在检测导管中是否存在结方面的价值,现予以报道以提高在拔除导管时若感觉到异常阻力时对打结形成的认识。早期识别这种罕见但严重的并发症可避免导管断裂和潜在的碎片栓塞。