Low T3 Syndrome Clinical Trial
Official title:
Oral Triiodothyronine Normalizes T3 Levels After Surgery For Pediatric Congenital Heart Disease
Low triiodothyronine (T3) syndrome defines as decrease of T3 levels during critically ill. This decrease of T3 levels was observed after congenital heart surgery using cardiopulmonary bypass. Previous largest study,Triiodothyronine for Infants and Children Undergoing Cardiopulmonary bypass (TRICC) study showed T3 supplementation decreased time to extubation for infants less than 5 months undergoing cardiopulmonary bypass. Intravenous regiment was known effective in maintaining T3 levels during pediatric cardiac surgery. This drug preparation however is not commonly used in many countries due to the relatively high costs and/or the simple lack of availability. The use of oral T3 to treat postoperative low T3 levels in pediatric patients has not been reported so far, although recent adult studies showed benefit in using oral T3 after cardiac surgery. The purpose of this study was to determine if oral T3 supplementation could prevent the decline of serum T3 in children less than 2 years of age undergoing congenital heart surgery using CPB.
Status | Completed |
Enrollment | 45 |
Est. completion date | October 2010 |
Est. primary completion date | September 2010 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | N/A to 24 Months |
Eligibility |
Inclusion Criteria: - Patients between 0-2 years of age - Aristotle score of 6 and above - underwent cardiac surgery using cardiopulmonary bypass Exclusion Criteria: - birth weight less than 2 kg for neonates - preoperative tachyarrhythmia or need for anti arrhythmic treatment - clinical sepsis confirmed by culture - preoperative renal insufficiency - known thyroid and metabolic disorder - any contraindication for oral T3 administration |
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Prevention
Country | Name | City | State |
---|---|---|---|
Indonesia | Pediatric Cardiac ICU National Cardiovascular Center Harapan Kita Jakarta | Jakarta | DKI Jakarta |
Lead Sponsor | Collaborator |
---|---|
National Cardiovascular Center Harapan Kita Hospital Indonesia |
Indonesia,
Portman MA, Slee A, Olson AK, Cohen G, Karl T, Tong E, Hastings L, Patel H, Reinhartz O, Mott AR, Mainwaring R, Linam J, Danzi S; TRICC Investigators. Triiodothyronine Supplementation in Infants and Children Undergoing Cardiopulmonary Bypass (TRICC): a mu — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Postoperative Time to Extubation | Postoperative time to extubation is length of time on ventilator. | up to 3 months after surgery | Yes |
Other | Postoperative Length of Stay in Intensive Care Unit | up to 3 months after surgery | Yes | |
Other | Postoperative Hospital Length of Stay | up to 3 month after surgery | Yes | |
Primary | Free T3 (FT3) Levels | Free T3 levels were measured up to 36 hours after cross-clamp removal | during the first 36 hours after cross clamp removal | Yes |
Secondary | Number of Patients With Possible Side Effects of Thyroid Hormone Supplementation Particularly Suggesting Hyperthyroid Symptoms. | Specific symptoms of hyperthyroidism included cardiac dysrhythmia requiring medical or electrical treatment, hypertension (mean systolic or diastolic blood pressure more than 2 standard deviation above normal for age) and hyperthermia (>37.5 degree Celsius). One patient in low dose group had hypertension directly after surgery due to unrecognized coarctation of the aorta and this patient was withdrawal from the protocol. | Since the first dose of oral T3 until 7 days after surgery | Yes |
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