Document Detail

Prevalence of venous obstruction in permanent endovenous pacing in newborns and infants: follow-up study.
MedLine Citation:
PMID:  15869665     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: We examined the prevalence of venous obstruction in 12 newborns and infants with permanent endovenous ventricular pacing, clinically, and by ultrasonographic assessment of hemodynamics (spontaneity, phasicity, velocity, and turbulence of flow) and morphologic parameters (compressibility, wall thickness, and thrombus presence). MATERIAL AND METHODS: All implantations of single ventricular unipolar endovenous steroid leads, were performed via cephalic vein, and pacemakers were placed in subcutaneous pocket in right prepectoral region. After the vascular surgeon has carefully examined all children for presence of venous collaterals in the chest wall, morphologic and hemodynamic parameters of the subclavian, axillary, and internal jugular veins, were assessed by linear-array color Doppler. Lead capacity (LC) was calculated for each patient. RESULTS: Mean age of patients at implant was 6.2 months (range 1 day-12 months), mean weight 6.5 kg (range 2.25-10 kg), and mean height 60.9 cm (range 48-78 cm). Mean LC was 1.99 (range 1.14-3.07). Total follow-up was 1023 and mean follow-up 85.2 pacing months (range 3-156). No clinical signs of venous obstruction were observed. Mild stenosis (20%) of subclavian vein was found by color Doppler in 2/12 patients. Both had adequate lead diameter for body surface. CONCLUSION: Permanent endovenous pacing is a feasible procedure, even in children of body weight less than 10 kg, with quite acceptable impact on venous system patency.
Petar Stojanov; Mile Vranes; Dusan Velimirovic; Mirjana Zivkovic; Mladen J Kocica; Lazar Davidovic; Voislava Neskovic; Mila Stajevic
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Pacing and clinical electrophysiology : PACE     Volume:  28     ISSN:  0147-8389     ISO Abbreviation:  Pacing Clin Electrophysiol     Publication Date:  2005 May 
Date Detail:
Created Date:  2005-05-04     Completed Date:  2005-09-13     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7803944     Medline TA:  Pacing Clin Electrophysiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  361-5     Citation Subset:  IM    
Institute for Cardiovascular Diseases, UC Clinical Centre of Serbia, Belgrade, Serbia and Montenegro. st.petar@eunet.yu
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MeSH Terms
Cardiac Pacing, Artificial* / adverse effects
Child, Preschool
Follow-Up Studies
Infant, Newborn
Retrospective Studies
Ultrasonography, Doppler, Color
Venous Insufficiency / etiology*,  ultrasonography

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