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Otolaryngol Head Neck Surg. 2011 Jan;144(1):78-84. doi: 10.1177/0194599810390445.

Initial experience with a multidisciplinary strategy for initiation of propranolol therapy for infantile hemangiomas.

Author information

1
Division of Pediatric Otolaryngology, Seattle Children's Hospital, Seattle, Washington 98105-0371, USA.

Abstract

OBJECTIVES:

To outline a safe, standardized protocol for outpatient initiation of propranolol therapy for infantile hemangiomas.

STUDY DESIGN:

Retrospective review.

SETTING:

Academic tertiary care pediatric hospital.

SUBJECTS AND METHODS:

Forty-nine infantile hemangioma patients were offered propranolol therapy and included in the study. Any patients requiring hospital admission were excluded. Screening consisted of cardiology evaluation, including electrocardiography and, when indicated, echocardiography. Target initiation dose was 2 to 3 mg/kg/d divided into 3 doses. Blood pressure and heart rate were initially monitored at baseline and 1 and 2 hours in clinic following initial dosing. A 3-hour time point was later added. Families received standardized instructions regarding home heart rate monitoring, side effects, and fasting.

RESULTS:

Outpatient propranolol therapy was safely initiated in 39 of 44 patients (89%). Five patients required brief admission: 1 with clinical signs/symptoms of heart failure, 3 having airway involvement, and 1 for social reasons. Propranolol administration transiently reduced blood pressure; the maximal decrease occurred at 2 hours, prompting addition of a 3-hour time point to ensure recovery. No patients exhibited symptomatic hypotension, bradycardia, or heart failure.

CONCLUSIONS:

In most children with infantile hemangiomas, propranolol therapy can be safely initiated as an outpatient. Careful cardiovascular evaluation by an experienced clinician is essential for pretreatment evaluation, inpatient admission (when necessary), blood pressure and heart rate monitoring following initial dosing, and parent education. This standardized multidisciplinary outpatient initiation plan reduces the cost of initiating therapy compared with inpatient strategies while still providing appropriate monitoring for potential treatment complications. Further evaluation of propranolol therapy efficacy at the current dosing and duration of treatment continues.

PMID:
21493392
DOI:
10.1177/0194599810390445
[Indexed for MEDLINE]

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