外科:小兒
47 flashcards · Other · by Wanying Koh
endotracheal intubation of children/baby - 容易進入bronchus because
trachea too short
endotracheal tube size calculation for children
(4 + patient age in years) / 4
blood volume / kg in children
70-75ml/kg
cricothyroidotomy contraindicated in children? what age?
children below 12 y/o
thyroglossal duct cyst: complete resection to prevent recurrence includes?
duct cyst 管道 hyoid bone 中央 hyoid bone 以上到 tongue base
torticollis accompanied by what joint dysfunction
hip developmental dysplasia
which is a neck central mass thyroglossal duct cyst branchial cleft cyst cystic hygraoma torticollis
thyroglossal duct cyst (其他都 lateral)
honeymoon period in what disease
congenital diaphragmatic hernia 剛出生數小時 無症狀 因 pulm HTN 還不足以造成 R to L shunt 的呼吸窘迫
diaphragmatic hernia 不能用什麼處置
mask and ambu bagging 會導致空氣進到腸胃 --> worsen condition
s/s: neonate 一出生便呼吸窘迫 dx?
congenital diaphragmatic hernia
esophageal atresia w distal tracheoesophageal fistula surgical tx: 剝離 proximal or distal esophagus 較好?why?
切除 proximal esophagus 因為血管豐富。 避免切除/移動 distal - 血管不健全
most common complication after tx of esophageal atresia
GERD
intestinal atresia s/s
polyhydraminos 羊水過多 abd bloating billous emesis no meconium passing 稀疏胎便 (KUB: double bubble sign ----- 特別指的是 duuodenal)
intestinal atresia associated w what disease
down syndrome
Diagnosis
Volvulus (Corkscrew sign)
Ladd's procedure used to treat what dz
midgut malrotation
Ladd's procedure includes what steps (x3)
把扭轉的腸子轉回去 分離 Ladd's band mesentery widening - to prevent recurrence => 小腸: R side ,大腸:L side
necrotizing enterocolitis surgical indications: pneumatosis intestinalis acidosis pH<7.2 after fluid resuscitation intraperitoneal free air hepatoportal venous gas
acidosis pH<7.2 after fluid resuscitation intraperitoneal free air hepatoportal venous gas (pneumatosis intestinalis 不是)
hirschsprung disease dx
rectal biopsy - gold std anorectal manometry (check anus 鬆緊度) lower GI barium contrast *問胎便排出時間 - 未排出
hirschsprung disease most commonly affected 腸子 area
rectum sigmoid colon
urine 帶有 feces dx tx
middle/high type (中高位) imperforate anus colostomy
best diagnostic tool for biliary atresia
liver biopsy
choledochal cyst triad
jaundice RUQ abd mass abd pain
anomalous junction of pancreatic duct & CBD 會造成什麼
choledochal cyst
which type of inguinal hernia most common in children
indirect hernia
inguinal hernia vs hydrocele tx
inguinal hernia: heniorrhaphy < 1y hydrocele: obs until 1 y/o, hydrocelectomy
incarcerated inguinal hernia tx
manual reduction (trendelenburg position) + sedation 不行才 emergent surgery
most common liver malignancy in children
hepatoblastoma
most common abdominal malignancy in children
neuroblastoma
neuroblastoma: <1y/o child with meta to liver staging?
stage 4s (good prognosis)
beckwith-wiedemann syndrome comorbid with what dz
rhabdomyosarcoma neuroblastoma wilm's tumor hepatoblastoma
beckwith-wiedemann syndrome s/s
omphalocele 臍膨出 macroglossia 巨舌 visceromegaly 巨內臟 hyperinsulinemia + hypoglycemia
hemangioma 是 vascular malformation or vascular tumor
vascular tumor
timing for craniosynotosis surgery
close to 6mo of age
double bubble sign dx
duodenal atresia
intussusception rx
mostly conservative: N/S or gas 灌腸 (80-90% pts resolve) recurrence 10% 10% need surgery
新生兒 teratoma 好發在? which gender more common
sacrococcygeal region females (sacrococcygeal 45% > ovary 27% > mediastinal 6% > testis 5% = CNS 5%)
necrotizing enterocolitis tx
conservative tx (7-10d): 50% resolve NG decompression IV fluid NPO broad spectrum ABx surgery if: 惡化 / no improvements KUB: free air = perforated gut
similarities/differences: ASD VSD PDA
ASD, VSD, PDA 皆 non-cyanotic, L-to-R shunt VSD - symptomatic since birth, HSM murmur ASD - no symptoms during childhood, MSM murmur PDA - continuous murmur
Blalock-Taussig shunt which bv connected together
ipsilateral subclavian a. & pulm. a.
large VSD tx
PA banding (at younger age) dec PA bloodflow -> dec pulm HTN, HF ---> total correction of VSD (when pt older)
if untreated VSD, 演變成 eisenmenger's syndrome 原因
L-to-R shunt --> pulm edema / pulm HTN in the long term, pulmonary blood vessels 硬化 -> blood vessels resistance inc. -> remodelling -> 最後變成 R-to-L shunt
eisenmenger's syndrome tx
heart transplant
什麼時候用 VCUG (voiding cystourethrography) IVP (intravenous pyelography)
VCUG --> suspect any anatomy structural problems or vesicoureteral reflux (: 小兒 recurrent UTI) IVP --> suspect stones, tumor, obstruction
most common esophageal atresia 問題 which type
Gross Type C - esophageal atresia with distal TEF (86%)
omphalocele .. gastroschisis location size 膜 comorbidities
location: central // right side size: 大 // 小 膜: 有 // 無 comorbidities: common >50% // 10-15% 較少
most common extracranial tumor in childhood
neuroblastoma 8-10% nephroblastoma - 6%