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Hypertension in infants--a complication of umbilical arterial catheterization
Insights
Umbilical artery catheterization can lead to hypertension in infants due to renal artery thrombosis. This serious complication requires prompt diagnosis and intervention, as it can be life-threatening.
Area of Science:
- Pediatric Nephrology
- Neonatal Intensive Care
- Cardiovascular Research
Background:
- Hypertension in infants is a rare but serious condition.
- Umbilical artery catheters are commonly used in neonatal care.
Purpose of the Study:
- To investigate the link between umbilical artery catheterization and infant hypertension.
- To identify risk factors and outcomes associated with hypertension in infants.
Main Methods:
- Retrospective case series analysis of hypertensive infants.
- Review of medical histories, focusing on umbilical artery catheterization and renal artery status.
Main Results:
- Ten infants presented with hypertension.
- Seven of these infants had renal artery thrombosis, with a history of umbilical artery catheterization.
- One infant without catheterization had renal artery stenosis.
- Poor response to antihypertensive medication was observed.
- Five infants died, highlighting the severity of the condition.
Conclusions:
- Umbilical artery catheterization is a significant risk factor for developing hypertension in infants, often due to renal artery thrombosis.
- Prompt diagnostic evaluation and consideration of nephrectomy for renal artery occlusion are crucial.
- Infant hypertension associated with catheterization is a life-threatening complication requiring urgent medical attention.
Abstract:
Hypertension was observed in ten infants. Seven had thrombosis either of one renal artery or of both. The seven infants had previously had an indwelling catheter in the umbilical artery. One infant who had not had an indwelling umbilical arterial catheter had stenosis of a renal artery. No etiology for the hypertension was found in two infants, one of whom had had an umbilical arterial catheter. Response to antihypertensive medication was generally poor. Five of the infants died. We recommend prompt diagnostic evaluation in hypertensive infants. Nephrectomy should be considered, if the renal artery is occluded. Hypertension appears to be a life-threatening complication of umbilical arterial catheterization.