注意缺陷多动障碍儿童血清甲状腺激素变化的意义

目的探讨血清甲状腺激素(TH)、促甲状腺激素(TSH)在注意缺陷多动障碍(ADHD)儿童发病中的作用。方法ADHD患儿32例。其中混合型(ADHD-C)19例,注意缺陷型(ADHD-I)9例,多动-冲动型(ADHD-HI)4例。采用全自动微粒子化学发光法分别测定各组TH、TSH水平,且与15例健康儿童(对照组)进行比较。结果1.ADHD组游离三碘甲腺原氨酸(FT3)水平均正常,但与对照组相比显著升高(Pa<0.01);ADHD-I组及ADHD-HI、ADHD-C亚型组三碘甲腺原氨酸(T3)水平均正常,但与对照组相比显著升高(Pa<0.05);ADHD-I、ADHD-HI、ADHD-C组间相比,TH水平均无显著性差异(Pa>0.05)。2.ADHD组及不同亚型组TSH、游离甲状腺素(FT4)、甲状腺素(T4)水平与对照组相比,差异均无显著性意义(Pa>0.05)。结论FT3、T3可能参与ADHD的发病,TSH水平与ADHD的发病无关。     

联合检测促甲状腺素及游离甲状腺素筛查新生儿先天性甲状腺功能减低症

目的初步探讨联合检测干血滤纸片中促甲状腺素(TSH)及游离甲状腺素(FT4)水平筛查新生儿先天性甲状腺功能减低症(CH)的临床意义。方法对2013年6月至2013年12月出生的活产新生儿,采用时间分辨荧光免疫分析法联合检测干血滤纸片中TSH及FT4水平;对筛查阳性者再采血检测血清TSH及FT4水平,并与干血滤纸片法结果进行比较。结果共筛查新生儿31 199例,确诊CH 12例,发生率1/2 600,高TSH血症4例,未检测到垂体性甲状腺功能减低症。筛查确诊CH新生儿的血清TSH及FT4的检测结果与干血滤纸片检测结果一致,差异无统计学意义(P0.05)。结论联合检测干血滤纸片中TSH及FT4水平可用于新生儿CH筛查,并有助于早期诊断与治疗,以及对中枢性CH的筛查。     

弥散性毒性甲状腺肿患儿血清白细胞介素-10、12水平变化的意义

目的观察弥散性毒性甲状腺肿(GD)儿童在疾病不同阶段血清IL-10、12水平变化的临床意义。方法采用酶联免疫吸附法(ELISA)测定GD患儿疾病不同阶段(新发病、治疗未缓解、治疗缓解3个阶段)血清IL-10、12水平。检测游离T3、T4(FT3、FT4),敏感TSH(sTSH),甲状腺微粒体抗体(TMAb)、甲状腺球蛋白抗体(TGAb)、甲状腺受体抗体(TRAb)、甲状腺刺激抗体(TSI)水平并分析其间的关系。结果IL-10、12在GD新发病组均显著高于未缓解组、缓解组和健康对照组(Pa<0.05)。IL-12与sTSH呈显著负相关(r=-0.309 P<0.05),IL-10与FT4、FT3呈显著正相关(r=0.350,0.334 Pa<0.05)。结论IL-10、12均参与GD的发病,可作为病情监测的指标。     

深圳地区先天性甲状腺功能减退症的治疗及远期随访

目的 探讨先天性甲状腺功能减退症(CH)患儿早期治疗效果和对生长发育的影响.方法 对2005年9月-2006年12月深圳市出生的新生儿进行足底血片促甲状腺激素(TSH)筛查,筛查阳性儿童召回,行血清促甲状腺激素(TSH)、游离三碘甲状腺原氨酸(FT3)、游离甲状腺素(FT4)检测.确诊CH 68例.平均27.1 d开始治疗,口服左旋甲状腺素钠片.定期检测患儿TSH、FT3、FT4,并根据临床表现调整药物剂量使FT4维持在正常高值水平.监测患儿体格发育如头围、身高和体质量.采用贝利婴幼儿发育量表方法进行智力发育评价.采用SPSS 12.0软件进行数据分析.结果 确诊患儿治疗1个月后临床症状完全消失,TSH、FT4维持正常水平.身高、体质量、头围等体格发育指标均在正常范围,均值50%,贝利婴幼儿发育量表测试中运动发育指数测定均在冲等水平,智力发育指数测定均基本达到同龄健康儿童.结论 早期诊治CH能明显改善预后,降低脑损害、智力低下的发生率.新生儿筛查是早期诊断CH的有效方法.     

血管迷走性晕厥儿童卧位、立位QT间期离散度及P波离散度的变化

目的探讨血管迷走性晕厥(VVS)儿童卧、立位QT间期离散度(QTd)及P波离散度(Pd)的变化。方法直立倾斜试验(HUTT)阳性的VVS患儿46例为研究组。年龄7~17岁,平均(11.91±2.09)岁。用SR-1000A心电综合自动分析仪描记卧位及立位12导联同步体表心电图(12ECG)。匹配健康儿童30例为对照组。选择窦性心律波形清晰的12ECG3个心动周期,测量心率(HR)、QTd与Pd,按Bazete公式校正心率后得出QTcmax、QTcmin、QTcd、Pcmax、Pcmin、Pcd。结果1.对照组卧位较立位最大QT间期(QTmax)、最小QT间期(QTmin)、最大P波时间(Pmax)均明显延长(Pa<0.01),最小P波时间(Pmin)缩短(P<0.05),Pd延长(P<0.05),QTd、QTcmax、QTcmin、QTcd、Pcmax、Pcmin、Pcd未见明显变化(Pa>0.05)。2.研究组卧位较立位QTmax、QTmin、QTd、QTcd、Pmax、Pd、Pcd明显延长(Pa<0.01),Pcmax延长(P<0.05),Pcmin明显缩短(P<0.01),QTcmax、QTcmin、Pmin未见明显变化(Pa>0.05)。3.研究组较对照组卧位QTmax、QTcmax、Pcd延长(Pa<0.05),QTd、QTcd、Pmax、Pcmax延长(Pa<0.01);立位Pcd延长(Pa<0.05),Pmax、Pcmax延长(Pa<0.01)。4.研究组较对照组卧位时HR稍降低(P>0.05),立位时HR明显增加(P<0·01),HR增加在研究组与对照组比较未见差异(分别增加15.29次/minvs12.57次/min,P>0.05)。5.VVS患儿在血管抑制型和混合型时卧、立位的QTd及Pd未见差异(Pa>0.05)。6.VVS患儿在卧位、立位时QTd及Pd不存在男女性别差异(Pa>0·05)。结论VVS患儿卧位时更易发生心律失常;当体位改变时QTd、Pd明显受自主神经功能影响,表明该法对心脏自主神经功能的评价具有指导价值。     

亚临床甲状腺功能减退症对患儿骨龄和身高的影响

目的 观察亚临床甲状腺功能减退症(甲减)对儿童骨龄(BA)、身高及甲状腺激素水平的影响.方法 选取30例亚临床甲减患儿为亚临床甲减组,30例体检健康儿童为健康对照组.对每位研究对象采用同一磅秤标准,测量其身高、体质量.采用Greulich-Pyle图谱法对各组儿童左手腕指关节正位片进行BA水平的评定;采用罗氏化学发光免疫分析仪E170检测各组儿童促甲状腺激素(TSH)、游离三碘甲腺原氨酸(FT3)、游离甲状腺素(FT4)水平.采用SPSS 17.0软件比较2组儿童BA、身高、TSH、FT3及FT4的差异;BA与身高、TSH、FT3及FT4间进行Pearson相关分析.结果 亚临床甲减组儿童的BA[(8.17±2.29)岁]、身高[(131.47±13.41) cm]水平均落后于健康对照组[(10.08±2.75)岁、(141.05±15.12) cm](t=2.92、2.60,Pa<0.05);TSH水平[(5.93±1.77) mIU·L-1]显著高于健康对照组[(2.66±1.28) mIU·L-1](t=8.17,P<0.001).亚临床甲减组儿童的BA与身高呈显著正相关(r=0.940,P<0.01);BA与TSH呈显著负相关(r=-0.450,P<0.05).亚临床甲减组FT3[(5.43±1.37) pmol·L-1]、FT4[(17.29±2.03) pmol·L-1]与健康对照组[(5.83±1.11) pmol·L-1、(17.22±1.96) pmol·L-1 ]比较差异均无统计学意义(t=1.24、0.14,Pa>0.05).结论 儿童亚临床甲减可引起BA、身高的落后,需要用药物进行干预治疗.     

窒息新生儿甲状腺激素水平的变化及其临床意义

目的探讨足月新生儿窒息后血清甲状腺激素水平的变化及其临床意义。方法采用化学发光法测定52例足月窒息新生儿(重度窒息20例、轻度窒息32例)和35例健康足月儿出生1天及10天的血清游离三碘甲状腺原氨酸(FT3)、游离甲状腺素(FT4)及促甲状腺激素(TSH)含量,并观察其动态变化。结果生后第1天窒息组FT3、FT4明显低于对照组(P<0.01),重度窒息组低于轻度窒息组(P<0.05);重度窒息组TSH明显高于对照组(P<0.01),轻度窒息组与对照组间TSH差异无统计学意义(P>0.05)。10天后各组FT3、FT4、TSH差异无统计学意义(P>0.05)。生后1天时窒息组FT3、FT4低于正常值的比例和TSH高于正常值的比例均高于对照组(P<0.05),轻度窒息组FT3、FT4低于正常值的比例高于对照组(P<0.05),TSH高于正常值的比例与对照组比较差异无统计学意义(P>0.05),生后10天时各组各指标异常率差异无统计学意义(P>0.05)。结论新生儿窒息可导致甲状腺功能受损,且随窒息程度加重而加重,血清甲状腺激素水平对判断窒息新生儿病情及观察疗效有一定意义。     

新生儿心肌损害后心率变异的意义

目的 探讨新生儿心肌损害后心率变异(HRV)的变化及其临床意义.方法 应用Holter分析系统检测60例有心肌损害新生儿(心肌损害新生儿组)和50例无心肌损害新生儿(无心肌损害新生儿组)及160例有心肌损害的不同年龄组儿童的心电信号,对HRV参数进行分析.结果 心肌损害新生儿组窦性心率R-R间期标准差(SDNN)、每5分钟窦性心率R-R间期平均值的标准差(SDANN)、相邻窦性心博R-R间期之差>50 ms的心搏数占心搏总数的百分比(PNN50)、总功率(TP)、低频功能(LF)等与无心肌损害新生儿组比较,均无显著性差异(Pa>0.05),而相邻窦性心博R-R间期差的均方根(rMSSD)、高频功率(HF)显著低于无心肌损害新生儿组(Pa<0.05),LF/HF值显著高于无心肌损害新生儿组(P<0.01);心肌损害新生儿组与不同年龄心肌损害组中HRV比较,新生儿组SDNN、SDANN显著低于小婴儿组(Pa<0.05);而HR、LF/HF值显著高于小婴儿组(Pa<0.01);新生儿组SDNN、SDANN、rMSSD、PNN50、TP、LF、HF均显著低于婴幼儿及儿童组(Pa<0.01),HR、LF/HF值显著高于婴幼儿及儿童组(Pa<0.01).结论 新生儿心肌损害后心脏自主神经功能明显受损,HRV参数是判断新生儿心肌损害及预后判断较稳定的指标之一.     

亚临床甲状腺功能减退症患儿血脂水平变化的意义

目的探讨亚临床甲状腺功能减退症患儿血脂水平变化的意义。方法选取30例亚临床甲状腺功能减退症(亚临床甲减)患儿(亚临床甲减组)及30例体检健康儿童(健康对照组)。应用罗氏全自动生化分析仪P800和罗氏化学发光免疫分析仪E170分别检测其总胆固醇(TC)、三酰甘油(TG)、低密度脂蛋白(LDL)、高密度脂蛋白(HDL)、脂蛋白a[LP(a)]和促甲状腺激素(TSH)、游离三碘甲腺原氨酸(FT3)、游离甲状腺素(FT4)水平。结果亚临床甲减组儿童血清TC[(4.14±0.88)mmol.L-1]、TG[(1.88±0.42)mmol.L-1]及LP(a)[(209.9±122.92)mg.L-1]水平显著高于健康对照组(Pa<0.01)。亚临床甲减组FT3、FT4与健康对照组比较差异无统计学意义;TSH水平与健康对照组比较差异有统计学意义。结论亚临床甲减可引起儿童血脂代谢异常。     

健康婴幼儿及儿童心电图时间参数的比较

目的比较不同年龄和性别健康婴幼儿及儿童心电图(ECG)时间参数的特点,评估现有国内外健康婴幼儿及儿童ECG标准应用于我国儿童的可行性。方法记录上海地区1557名健康婴幼儿和儿童(男812例,女745例;年龄1～17岁)ECG的心率(HR)、P波时间、P-R间期、QRS波时间、Q-T间期、Q-R峰值时间,并在不同年龄组及男女组间进行比较。结果HR、P波时间、P-R间期、QRS波时间、Q-T间期、校正Q-T间期(QTc)、QT离散度(QTd)及Q-R峰值时间在各年龄组间均有显著性差异(Pa<0.001),P波时间、P-R间期、QRS波时间及Q-T间期均与年龄呈正相关,与HR呈负相关(Pa<0.001)。部分测量值男女组间以及与既往标准间的差异均有统计学意义(Pa<0.05)。结论健康婴幼儿及儿童ECG时间参数具有年龄、性别、时间和种族差异。沿用传统的国内外健康婴幼儿及儿童ECG标准不合适,有必要修订更新传统的正常值标准,并应重视年龄、性别间的差异。与之相关的疾病诊断标准也应进行修订。     

定量组织速度成像和组织追踪显像技术评价先天性甲状腺功能减退症新生儿的右心功能

目的应用定量组织速度成像（QTVI）和组织追踪显像（TTI）技术评价先天性甲状腺功能减退症（CH）新生儿在甲状腺素替代治疗前后的右心功能变化,并探讨其临床应用价值。方法应用QTVI和TTI技术离线分析35例正常新生儿以及52例CH新生儿在左旋甲状腺素（L-T4）替代治疗前与治疗1个月后的心尖四腔切面三尖瓣环运动速度曲线和位移曲线,测量收缩期峰值速度（Vs）、收缩期最大位移（D）、舒张早期峰值速度（Ve）、舒张晚期峰值速度（Va）,计算Ve／Va值;常规记录三尖瓣口脉冲多普勒（PWD）血流频谱,测量舒张早期充盈峰值速度（E）,舒张晚期充盈峰值速度（A）,计算E／A值。同时运用化学发光法检测各组患儿的血清促甲状腺素、三碘甲状腺原氨酸总量、甲状腺素总量、游离三碘甲状腺原氨酸和游离甲状腺素水平,并与QTVI、TTI检测指标行Person相关分析。结果CH组新生儿E峰及E／A值低于对照组（均P〈0．001）,但A峰差异无统计学意义（P〉0．05）;QTVI及TTI示,CH组Ve、Ve／Va值、Vs及D均显著低于对照组,差异有统计学意义（均P〈0．001）,而Va差异无统计学意义（P〉0．05）。经L-T4替代治疗后1个月,CH组新生儿Ve、Ve／Va值、Vs、D及E、E／A值分别为（6．92±1．86）cm／s、（1．13±0．22）、（5．92±1．03）cm／s、（0．78±0．17）cm和（61±10）cm／s、（1．1±0．4）,与治疗前比较差异有统计学意义（均P〈0．001）。相关分析显示,Ve、Ve／Va值、Vs、D与三碘甲状腺原氨酸总量、甲状腺素总量TT4、游离三碘甲状腺原氨酸、游离甲状腺素呈显著正相关（均P〈0．01）,与促甲状腺素呈显著负相关（均P〈0．01）。结论CH新生儿的右心收缩与舒张功能均显著低于正常新生儿,早期及时甲状腺素替代治疗可逆转受损的右心功能。应用QTVI及TTI技术检测三尖瓣环运动频谱可定量、准确、有效地评价新生儿右心功能。     

先天性甲状腺功能低下症对新生儿左心功能的影响

目的　评价先天性甲状腺功能低下症 (CH)新生儿的左心收缩和舒张功能变化 ,并探讨其与血甲状腺激素水平的相关性。方法　对 35例确诊为CH的新生儿和 30例正常新生儿进行超声心动图检查 ,分别用M型超声心动图测量左室射血分数 (LVEF)、左室短轴缩短率 (LVFS) ;脉冲多普勒 (PWD)测量二尖瓣口血流舒张早期峰值速度 (Em)、二尖瓣口血流舒张晚期峰值速度 (A m) ;定量组织速度成像 (QTVI)测量二尖瓣环收缩期运动峰值速度 (sm)、二尖瓣环舒张早期运动峰值速度 (em)、二尖瓣环舒张晚期运动峰值速度 (am) ;组织追踪显像 (TTI)测量收缩期二尖瓣环下移距离 (MAD) ,并对血甲状腺激素水平和心功能指标行相关性分析。结果　两组间收缩功能指标LVEF、LVFS、sm、MAD及舒张功能指标Am、Em/Am、、em/am、、Em、em 差异均有显著性意义 (P <0 0 5 ) ,其中两组间MAD、sm、Em、em 差异有极显著性意义 (P <0 0 0 1)。心脏收缩功能指标LVEF、sm、MAD及舒张功能指标Em、Am、em、em/am 与TT3 、TT4呈正相关 (P <0 0 5 ) ,与TSH呈负相关 (P <0 0 5 ) ,MAD、sm、Em、em 与血TT4、TSH水平的相关性最好 (P <0 0 0 1)。结论　先天性甲状腺功能低下症新生儿常伴有左心收缩和舒张功能下降 ,血甲状腺激素水平可直接影响左心功能 ,QTVI     

Effects of anticonvulsant drugs on thyroid hormones in epileptic children.

Serum total and free thyroid hormones, reverse T3 (rT3), thyroxin binding globulin (TBG) and thyroid stimulating hormone (TSH) concentrations were measured in 35 epileptic patients receiving anticonvulsants (phenobarbitone, phenytoin). There was a significant reduction found in total thyroxine (TT4), free thyroxine (FT4), total triiodothyronine (TT3), free triiodothyronine (FT3) and rT3 in the group treated with, phenytoin. The thyroid hormone levels were within normal limits in the group receiving phenobarbitone.     

Cardiac function in congenital hypothyroidism: Impairment and response to L-T4 therapy

Summary Electrocardiograms (heart rate, QRS voltage, QRS axis in the frontal plane, Q-Tc interval), echocardiograms [left ventricular fractional shortening (LVFS); preejection period (PEP); PEP/left ventricular ejection time (PEP/LVET) ratio; end-diastolic left ventricular free wall and interventricular septum thickness; presence of pericardial effusion], and thyrotropin (TSH), thyroxine (T₄), and triiodothyronine (T₃) serum levels were evaluated before and 1 week, 1 and 2 months after the start ofl-thyroxine (L-T₄) therapy in 11 infants with congenital hypothyroidism (CH), aged 16–59 days when first seen.Before the start of therapy, infants with CH had significantly lower QRS complexes and LVFS and significantly higher values for Q-Tc, PEP, and PEP/LVET than normal infants of the same age. The QTc interval, PEP and PEP/LVET ratio of infants with CH were significantly greater before than 1 week after L-T₄ therapy, and LVFS was significantly lower before than 1 month after L-T₄ therapy. Four of the infants with CH had small pericardial effusions, which disappeared within the first week of therapy.QRS axis in the frontal plane, Q-Tc interval, and PEP were negatively correlated with logT₄ and logT₃ serum levels. PEP/LVET ratios were negatively correlated with logT₄ serum values. The QRS voltage values were positively correlated with logT₄ and logT₃ serum values. The frontal-plane QRS axis, Q-Tc interval, and PEP/LVET ratio were positively correlated with logTSH serum levels. The QRS voltages were negatively correlated with TSH serum levels.Our data show that before therapy infants with CH have the same functional, but not morphological, abnormalities as older hypothyroid ones and that one third of them have small pericardial effusions. L-T₄ therapy rapidly reverses these changes.     

Thyroid function in fetus and mother during the second half of normal pregnancy

Thyroid hormones, thyroxine-binding globulin (TBG) and thryrotropin (TSH) concentrations were measured in 46 paired fetal and maternal blood samples collected between 17 and 36 weeks of gestation. The samples were selected retrospectively from fetuses that had undergone cordocentesis for prenatal diagnosis, had been found to be unaffected and confirmed healthy at birth. In maternal serum, total thyroxine (TT4) and triiodothyronine (TT3) concentrations were high, but free thyroxine (FT4) and free triiodothyronine (FT3) were within normal adult ranges; reverse T3 (RT3) increased and TSH levels decreased towards term. Fetal TT4, FT4, TT3, FT3, TBG and TSH levels significantly increased whereas RT3 sharply decreased with gestational age. The ratio of fetal TSH/FT4 significantly decreased, suggesting that the set point for negative feedback of pituitary TSH secretion is changing while the sensitivity of the thyroid gland to TSH increases throughout gestation. There was no significant correlation between the maternal and fetal TBG, TSH, TT4 and FT4, whereas maternal TT3 was positively correlated with fetal TT4, FT4, TT3 and FT3. Normal reference values for maternal and fetal iodothyronines, TBG and TSH throughout the second half of gestation provide insight into fetal thyroid development and may be useful for prenatal diagnosis.     

Assessment of Thyroid Function in Children Aged 1-13 Years with Beta-Thalassemia Major

Objective

Hypothyroidism usually appears in the second decade of life and is thought to be associated with iron overload in patients with thalassemia major. This study aimed to evaluate thyroid dysfunctions in patients with beta-thalassemia major and to see if they appear in the earlier period of life.

Methods

Thyroid function and iron load status were evaluated in 90 children with a mean age of 7.17±3.78 years with beta-thalassemia major by measuring serum free thyroxin (FT4), serum free triiodothyronine (FT3), total thyroxin (T3), serum total triiodothyronine (T4), thyroid-stimulating hormone (TSH) and ferritin levels from serum of patients admitted to the Pediatric Department, Faculty of Medicine University of Dicle between March 2005 and July 2009. A control group formed from an age-sex matched healthy children with a mean age of 6.98±3.66 years was also included. A standard thyrotropin releasing hormone test was applied to 3 patients who had high TSH levels and were classified as subclinical primer hypothyroidism. The study was designed according to the Declaration of Helsinki and informed consent was obtained from the parents of all participants.

Findings

All thyroid parameters in patients were in the normal ranges compared with the controls except three of them which had high TSH levels. Serum ferritin level (2703±1649 ng/mL) in patients was significantly higher than in controls (81.5±15.5 ng/mL).

Conclusion

The work implies that hypothyroidism could be even seen in the first decade of life in patients with beta-thalassemia major in spite of improved hematological cares.     

苯巴比妥、苯妥英、卡马西平对癫痫患儿甲状腺激素的影响

观察常用抗癫痫药物对癫痫患儿血清甲状腺激素的影响。对无甲状腺功能减退临床表现的癫痫患儿(各组均20例)共80例,应用RIA法测定血清TT4、TT3、FT4、FT3、rT3、TSH浓度。结果未经治疗癫痫患儿所有激素水平与正常对照组比较无显著差异,苯巴比妥组FT4值低于正常对照组(P<0.01),卡马西平组TT4、FT4值也明显降低(P<0.01),苯妥英组TT4、FT4、FT3值均显著降低(P<0.01),所有各组rT3、TSH无改变。资料表明,抗癫痫药物对甲状腺激素影响强度依次为苯妥英钠、卡马西平、苯巴比妥。     

Thyroid dysfunction in antiretroviral treated children

BACKGROUND: A high rate of thyroid disorders has been described in HIV-infected adults treated with highly active antiretroviral therapy (HAART), but data on children are lacking. We aimed to assess thyroid function in pediatric patients. METHODS: Fifty-two HIV-infected children receiving HAART were assessed for signs of thyroid dysfunction and serum concentrations of thyrotropin (TSH), free thyroxin (FT4), free triiodothyronine (FT3), thyroglobulin (TG), reverse triiodothyronine (rT3), anti-TG and antimicrosomal (anti-TSM) antibodies. RESULTS: Eighteen (35%) children showed thyroid abnormalities: isolated low FT4 value in 16; subclinical hypothyroidism in 1; and symptomatic hypothyroidism in 1.Children with low FT4 values as compared with the 34 children without thyroid dysfunction were similar for stage of disease, number of patients with undetectable HIV-RNA, FT3, TSH, TG, rT3, anti-TSM and anti-TG values, whereas they had shorter duration of HAART exposure (P = 0.019) and lower CD4 cell percentage (P = 0.035). The thyrotropin-releasing hormone (TRH) test was normal in all children with low FT4 values. Among children with low FT4, FT4 concentrations correlated positively with CD4 cell percentage (P < 0.05) and duration of HAART exposure (P < 0.05).The case with subclinical hypothyroidism had high basal TSH (7.3 microunits/ml), normal TSH response to TRH test and normal FT4, FT3, TG, rT3, anti-TG and anti-TSM antibodies.The case with symptomatic hypothyroidism had low FT4 (6.6 pg/ml) and high TSH (44 microunits/ml), TG (55 ng/ml), anti-TG (666 IU/ml) and anti-TSM (123 IU/ml). CONCLUSION: Thyroid abnormalities occur frequently in HAART-treated children even in the absence of clinical symptoms. These data suggest a need of regular thyroid function monitoring.     

Thyroid function tests in the newborn infants of preeclamptic women.

The purpose of this study was to identify possible changes in thyroid functions in newborn infants of preeclamptic women. Fifteen neonates (nine boys and six girls) of preeclamptic women and 17 healthy neonates (nine boys and eight girls) for the control group were included in the study. Serum thyroid-stimulating hormone (TSH), total triiodothyronine (TT3) and total thyroxine (TT4) levels and thyroid gland volumes were determined in both groups. Serum TSH and TT4 levels were not statistically different between the two groups. However, serum TT3 level was 79.22 +/- 40.19 ng/dl in the study group and 40.00 +/- 15.99 ng/dl in control subjects (p < 0.01). The mean right, left and total thyroid volumes were 1.3 +/- 1.2 ml, 1.2 +/- 1.1 ml and 2.4 +/- 2.3 ml in the study group and 0.6 +/- 0.2 ml, 0.6 +/- 0.2 ml, and 1.1 +/- 0.4 ml in the control group, respectively (p < 0.05). The mean thyroid volume/body weight was 0.9 +/- 0.09 ml/kg in the study group and 0.3 +/- 0.06 ml/kg in the control group (p < 0.05). In conclusion, we would like to stress that preeclampsia might be a cause of fetal and neonatal thyroid enlargement and elevated serum TT3 level.