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Mortality & Morbidity Conference Presented by R4 李軒慶 Supervisor: Dr. 吳孟書 Moderator: Dr. 邱德發 Patient Profile 14 year-old boy 到院時間: 2008/03/19 15:58 檢傷主訴: 頭痛, 重度疼痛 T/P/R: 36.7/107/21 BP: GCS: E4V5M6 PH: No significant disease before Symptoms Vomiting noted this noon Fever yesterday Headache(+) No diarrhea or abdominal pain No dysuria or cough No BW loss Physical Examination General appearance: ill Conscious: clear, E4V5M6 Pupil: 3+/3+ Neck: supple, no Kernig sign or Brudzinski sign HEENT: not anemic, not icteric no JVE, no LAP throat: not injected; no pus tonsil: not swelling; no pus Chest: BS: clear HS: RHB without murmur Abdomen: soft & flat, no tenderness no rebounding pain bowel sound: normoactive Extremity: free movable Initial Impression URI? Sepsis? Meningitis? Malinger? Initial Order (16:08) CBC/DC BUN/Cr, ALT, Na/K, CRP, F/S B/C CXR U/A IVF: N/S run 150ml/hr Ketorolac 1amp IM stat Check BP stat 122/67 What else do you want to know about history taking & physical examination? Further Information Obtained… 校護: 2~3 週前校內有一流行性腦膜炎個案,但病人和他 無明確接觸病史 病患為住校生 Picture of skin lesion on 3/19 Laboratory Data BUN 11 WBC 22400 Creatinine 0.8 Seg/Band 91.5/0.5 Na 135 Lym 5% K 3.7 Mono 3% ALT 16 CRP 157.38 Hb 13.8 F/S 137 MCV 85.4 Platelet 219K CXR U/A Color Yellow Glucose Negative Turbidity Clear Ketone Negative SP.Gravity 1.013 Urobilinogen 0.1 pH 6.0 Bilirubin Negative Leukocyte Negative Blood Trace Nitrite Negative RBC/WBC 3/5 Protein Negative Epithelial cell 0 What’s your impression now? What will you do next? Following Course in ER Ciprofloxacin 2# po stat at (17:02) Lumbar puncture performed (17:26) (Turbid fluid; Pressure: 160/140 mmH2O) On critical Penicillin 1PC IVF stat Rocephin 4PC IV stat Admission to PICU CSF Routine ( reported at 19:12) Color Yellow Appearance Turbid Neurtrophil 99% Monocyte 1% Lymphocyte 0 GNDC 2+ Cryptococcus Negative Sugar <5 Protein 332 RBC 12 RBC 80:20 AFB Negative WBC 9070 India Ink Negative (fresh:old) What are you supposed to do next? 傳染病通報 & 隔離 & 消毒 第二類法定傳染病 通報時限: 24 小時 呼吸道隔離至開始投予抗生素24小時後 病人之鼻腔、喉嚨分泌物和受其污染的物品實施 消毒 Culture (Reported on 3/20) B/C: Neisseria meningitidis CSF culture: Neisseria meningitidis 藥敏試驗 Ceftriaxone S Meropenem S Penicillin S Following Course after Admission Activity improved without fever under antibiotic treatment (Rocephin + Penicillin G) Transferred to general ward 24 hours after Discharge on 3/30 Discussion Meningeal signs in meningococcal meningitis Meningococcal disease How to perform meningism test? Meningeal Signs Kernig sign Patients in the supine position with the hip and knee flexed at 90o, cannot extend the knee more than 135o and/or there is flexion of the opposite knee Brudzinski sign Patients in the supine position, flexes the lower extremities during attempted passive flexion of the neck Clinical recognition of meningococcal disease in children and adolescents. [Lancet. 367(9508):397-403, 2006 Feb 4.] Bacterial meningitis without clinical signs of meningeal irritation-- Southern Medical Journal. 75(4):448-50, 1982 April 1,064 cases of bacterial meningitis beyond the neonatal period reviewed 16 (1.5%) patients had none of meningeal signs during the entire hospitalization ( despite CSF pleocytosis) [8 patients were ≧ 2 y/o] Neisseria meningitidis : 7 Hemophilus influenzae: 6 Streptococcus pneumoniae: 2 Salmonella enteritidis: 1 Meningococcal Disease 傳染途徑: 飛沫; 接觸病患鼻咽分泌物 好發季節: 春,冬 潛伏期: 2~10 天 好發年齡: 50% < 2 y/o 25% > 30 y/o Mortality rate: 10% generally (Highest among 15~24 y/o) Risk Factor: Viral infection(especially influenza) Smoking and smoke exposure Crowded living conditions Underlying chronic diseases Low socioeconomic status Clinical Pattern Common: 1.Bacteremia without sepsis: fever & URI signs, without other typical signs resolve spontaneously without ABx 2. Sepsis 3. Meningitis 4. Combine sepsis & meningitis (Most common) Uncommon: endocarditis, purulent pericarditis, pneumonia, endophthalmitis, mesenteric lymphadenitis, osteomyelitis, sinusitis, otitis media, and periorbital cellulitis Clinical Manifestation Non-specific: sudden onset of fever nausea/vomiting headache decreased ability of concentrate myalgia sorethroat coryza Classic late signs: Meningismus Hemorrhagic rash Conscious disturbance Worrisome signs (Early sepsis signs): Leg pain Cold hands & feet Skin palor or mottling Clinical recognition of meningococcal disease in children and adolescents. [Lancet. 367(9508):397-403, 2006 Feb 4.] Typical Meningococcal Skin Rash American Academy of Pediatrics: Red Book: 2006 Report of the Committee on Infectious Diseases, 27th ed. Elk Grove Village, IL, American Academy of Pediatrics, 2006, Atlas 7 Diagnosis & Treatment CSF study & Blood culture Antibiotic: (5~7 days for hospitalized patients) 1. Penicillin G (250,000–400,000 U/kg/day divided every 4–6 hr IV) 2. Cefotaxime (200 mg/kg/day) 3. Ceftriaxone (100 mg/kg/day) Prevention Antibiotic prophylaxis Vaccination Antibiotic Prophylaxis- Candidates 1.Household, daycare, and nursery school contacts 2.Those who have had contact with the patient's oral secretions during the 7 days before onset of illness 3.Medical personnel with intimate exposure (mouth-to- mouth resuscitation, intubation, or suctioning before antibiotic therapy was begun) Those without intimate exposure do not need routine ABx prophylaxis 4. Patients treated with penicillin before hospital discharge (Because Penicillin does not eradicate nasopharyngeal carriage) Antibiotic Prophylaxis - Choices 1. Rifampin (10 mg/kg orally every 12 hr for a total of 4 doses; maximum dose 600 mg; 5 mg/kg/dose for infants <1 mo of age) 2. Ceftriaxone (125 mg in a single dose IM for children <12 yr of age; 250 mg in a single dose IM for those >12 yr of age 3. Ciprofloxacin (500 mg orally as a single dose; may be given to persons >18 yr of age) Vaccination (approved by FDA) MCV4 (2005 Jan. 開始臨床使用) --> for 11~55 y/o MPSV4 --> for 2~10 & > 55 y/o 接種時機: 前往流行地區七天前辦理接種 (免疫效果約在接種七天以後產生) 大流行發生時 流行地區: 亞洲地區 沙烏地阿拉伯、尼泊爾、印度、蒙古共和國。 非洲地區 塞內加爾、甘比亞、幾內亞比索、幾內亞、馬利、象牙海岸、布吉納法索、 迦納、多哥、貝南、尼日、奈及利亞、查德、喀麥隆、中非、蘇丹、衣索比 亞、吉布地、索馬利亞、浦隆地、薩伊、盧安達。 [資料來源: 衛生署疾病管制局]