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To discuss how pregnancy affects SLE in increasing lupus flare rates To discuss the effects of SLE on maternal and fetal outcome in pregnancy To discuss management of Lupus flare in pregnancy To discuss ethical issues on the case K. G. 18/F Makati City CC: bipedal edema DOA: 3/18/08 Diagnosed case of Systemic Lupus Erythematosus since Aug. 2007 1997 Revised Classification Criteria for Systemic Lupus Erythematosus [1] Target Organ Target Organ Malar rash Neurologic disorder Discoid rash Photosensitivity Oral ulcers Arthritis Serositis Renal disorder 1 Hematologic disorder Immunologic disorder Antinuclear antibody Kliegman, Robert, M.D., et al. Nelson’s Textbook of Pediatrics. 18th ed. USA: Sanders, 2007, pp. 1015-191 1 yr PTA (+) alopecia, (+) malar rash 9 mo PTA (+) fever, (+) discoid rash, (+) oral ulcers (+) R eyelid swelling (+) joint pain and swelling of hands RHEUMA CLINIC A> SLE Labs: ANA (+4) homogenous 1:80 leukopenia (3,800), anemia (10), lymphopenia (ALC 0.934) BUN 2.3 mol/L (N), Crea (N), Proteinuria(++), RBC 0-1 2 mo PTA 1 wk PTA 4 d PTA Pregnant discontinued Prednisone No consult done (+) persistence of cough (+) bipedal and periorbital edema (+) persistence of edema (+) 2 pillow orthopnea (-) PND, palpitations, chest pain 2 d PTA (+) easy fatigability (+) difficulty of breathing (+) vomiting (+) epigastric pain (+) diarrhea (+) tea-colored urine (+) oliguria Rheuma clinic consult PAY General: (-) generalized weakness, (-) weight loss, (-) anorexia Neurologic: (-) seizure, (-) headache, (-) change in sensorium, (-) change in behavior HEENT: (-) eye pain, blurring of vision, (-) sore throat Hematologic: (-) epistaxis, (-) hematemesis, (-) hematochezia, (-) hemoptysis, (-) easy bruisability, (-) increased bleeding, Dermatologic: (-) active skin lesions No intake of other Meds except Prednisone (+) similar illness – grandmother, paternal side Family History Birth/Maternal History noncontributory Immunization History Completed at Local health center Unremarkable Nutritional History Developmental History At par with age Obstetrics/Menstrual History G1P0, (+) pregnancy test in February, (+) spotting in February, (-) vaginal discharge LMP: Dec 3, 2007, 30 days interval, 4 days duration, 3 pads/day, (+) dysmenorrhea Personal/Social History 2nd child from a brood of 9 Mother is a 39 y/o,housewife. Father is 45 y/o, nurse at PGH PICU. Home › living with parents and siblings › good relationship with them (closest to her older sister) Education › incoming 1st year college student, taking up BS Psychology › She didn’t finished first year due to her illness › plans to finish her study and work to help her parents Activity › hangs out with friends in the mall or in their house, go out preferably at night › love to talk about gossips Drugs › Denies illicit drug use › occasional beverage drinker › doesn’t smoke Sex › one relationship and sexually active, with a 15 y/o guy, who is also the father of her present pregnancy › Her boyfriend impregnated another woman prior to her › no plans of getting married now Suicidal ideations › when scolded by parents › felt very sad when she was diagnosed with SLE General exam: conscious, coherent, not in cardiorespiratory distress Vital signs: BP 140/80, PR 110, RR 24, T 38C, wt 47 kg, ht 151 cm HEENT: slightly pale conjunctivae, anicteric sclera, (+) periorbital edema, bilateral (-) cervical lymphadenopathy, (-) anterior neck mass, (-)neck vein engorgement, (-) tonsillopharyngeal congestion Chest and Lungs: Equal chest expansion, no retractions, (+) clear breath sounds, (-) crackles/wheeze Cardiovascular: adynamic precordium, distinct HS, tachycardic, normal regular rhythm, AB at 5th LICS MCL, (-) murmur Abdomen: globular abdomen, (+) NABS, soft, (+) epigastric tenderness, (-) organomegaly, abdominal girth = 76 cm, fundic height = 20 cm, fetal heart tone not appreciated by stethoscope Internal examination: (+) vulvar edema, nulliparous vagina, corpus enlarged to AOG, cervix soft closed, (-) abnormal discharge or masses Extremities: Pink nailbeds, FEP, (-) cyanosis, (+) bipedal edema, pitting, grade 1 External genitalia: grossly female, SMR 4 Skin: (-) active dermatoses Neurologic exam: essentially normal SLE in activity Pregnancy Uterine 17 2/7 weeks by early UTZ, NIL UTI Pregnancy 2. SLE • Nephritis, Hypertension • Pericarditis • Anemia 3. Pulmonary edema, noncardiogenic Pleural Effusion, B 4. Infection 1. S O Amenorrhea LMP: Dec 3, 2007 Sexual intercourse •Pregnancy Test (+) •UTZ: Pregnancy Uterine 17 2/7 weeks, good cardiiac and somatic acrtivities A Pregnancy Uterine 17 2/7 weeks by early UTZ, NIL t/c APAS P •For APAS •Serial Fetal biometry •Aspirin •FeSO4, CaCO3, MgSO4, Folic acid, MV S •Edema •Hematuia O •BP 140/80 on admission, BP spikes of 160/100) •Proteinuria on urinalysis and 24 hr urine collection •(+) fine, coarse, waxy casts •Raised creatinine A Lupus Nephritis Hypertension P •For Biopsy •Albumin transfusion •Prednisone and Azathioprine •MPPT •Multidrug antiHPN S •Easy fatigability •Difficulty of breathing O A •(-) signs of Lupus cardiac Pericarditis tamponade •CXR: cardiomegaly •2D echo : mod pericardial effusion, RA and RV wall collapse, fair LV systolic function P •Serial 2D Echo •MPPT S Slightly pale conjunctivae O •On admission, Hgb = 82 mg/dl •At PICU, Hgb = 54 mg/dl •Retic index 0.05 •Direct and Indirect Coomb’s (-) A Anemia of chronic disease P BT of PRBC S •Dyspneic •Sitting position •Blood-tinged sputum O •Moderate cardiorespiratory distress •ABG metabolic acidosis •CXR: Bilateral pleural effusion Inhomogenous opacities BLF Pulmonary infiltrates •hypoalbumine mia A Pulmonary edema Pleural Effusion, Bilateral P •Transferred to PICU •O2 support •Furosemide S O A P 1. On admission U/A: pyuria UTI Cefuroxime 2. At PICU Nosocomial sepsis Ceftazidime Blood CS: NG5d Urine CS: Micrococcus luteus U/A: pyuria Ward stay – 17 days PICU stay – 10 days Discharged – on April 15, 2008 › Home Meds Prednisone Aspirin Azathioprine Nifedipine Methyldopa Hydralazine Multivitamins Folic acid MgSO4 Fe Among retrospective and prospective studies [2] › Lupus flare rates ranges from approximately 20% – 60% Lupus that is active at the onset of pregnancy is activated further during pregnancy 2 Singh, Ajay K. Lupus nephritis and anti-phospholipid activity syndrome in pregnancy. Kidney International. Vol 58. (2000), pp 2240-2254. Manifestations No. of Flares (% Total) 1st Trimester 2nd 3rd Postpartum Trimester Trimester Arthritis 27 (69%) 3 8 3 13 Skin lesions 13 (33%) 3 2 2 6 Hemolytic anemia 4 (10%) 0 0 0 4 LN 4 (10%) 0 1 0 3 Thrombocytopenia 1 (3%) 0 1 0 0 Fever Hepatitis Serositis 3 (8%) 1 (3%) 1 (3%) 0 0 0 0 0 0 1 0 0 2 1 1 a Some patients experienced multiple organ involvement during the same flare. 3 Cortez-Hernandez, J., et al. Clinical Predictors of Fetal and Maternal Outcome in Systemic Lupus Erythematosus, a Prospective Study. Rheumatology. 2002; 41: 643-50. Prednisone (1-2 mg/kg/day) – drug of choice for most SLE manifestation Methylprednisone pulse 1g/day fowllowed by oral Prednisone at 0.5-1.0 mg/kg/day – severe systemic disease Azathioprine (2 mg/kg/day) – for initial mild flare Stress doses of Hydrocortisone – for emergency surgery, cesarean section, prolonged labor and delivery 5 Obstetric Emergencies: Management of Lupus Flare. www.obgmanagement.com. May 2006. Table 2. Evidence for adverse effects of immunosuppressant used in pregnancy and breastfeeding[6] Whether drug can be used Drug Hydroxychloroquine/ Chloroquine Prednisone/ Methylprednisone Azathioprine Ciclosporin Tacrolimus IVIG Mycophenolate mofetil Cyclophosphamide Methotrexate Leflunomide Biologic agents Etanercept, Infliximab, Adaluminab, Rituximab Evidence In pregnancy In breastfeeding No increased risk of miscarriage, congenital malformation, stillbirth at doses 200-400 mg/day Cessation increase risk of flare Long half life means stopping does not prevent fetal exposure Metabolized by placenta In high doses have caused cleft palate in experimental animal models and low birth weight in humans Fetus lacks enzyme to convert to active form Fetal and neonatal immunosuppression minimal if dose is <2 mg/kg and maternal white cell count is normal No increase in congenital malformation Prematurity and IUGR trends not significant Small amounts in breastmilk but no adverse effects noted No increase in congenital malformation Increased rates of prematurity related to maternal disease In one case report, a baby received 0.02% of maternal dose via breastmilk Cross the placenta after 32 weeks but with no adverse effects to fetus Y Y Y Y Y Y Y If benefits outweigh potential risks Y with caution Increased risk of congenital abnormalities Enterohepatic recirculation Long half life Alkylating agent Teratogenic, fetotoxic Risk of suppression of neonatal hematopoiesis Folate antagonist Teratogenic and Fetotoxic Congenital abnormality in animal studies Human studies limited Long half life of active metabolites Limited experience in human pregnancies but no adverse fetal or neonatal outcomes to date Y Y Y N (stop 6 weeks before conception) N (stop 3 months before conception) N (stop 3 months before conception and give Folic acid 5 mg daily) N (use cholestyramine to increase clearance preconception) Limit to severe disease N 6 Mackillop, Lucy H., et al. Pregnancy plus Systemic Lupus Erythematosus. BMJ.2007; 335: 93336. N N N Probably avoid Whether drug can be used Drug Prednisone/ Methylprednisone Azathioprine Evidence Metabolized by placenta In high doses have caused cleft palate in experimental animal models and low birth weight in humans Fetus lacks enzyme to convert to active form Fetal and neonatal immunosuppression minimal if dose is <2 mg/kg and maternal white cell count is normal In pregnancy Y In breastfeeding Y Y Y 6 Mackillop, Lucy H., et al. Pregnancy plus Systemic Lupus Erythematosus. BMJ.2007; 335: 93336. Rule: To treat the lupus flare before irreparable maternal harm occurs Use of other new line immunosuppressive drugs › Benefits must be outweighed by potential risks No conclusive data suggest pregnancy termination will ameliorate lupus flare. 5 Obstetric Emergencies: Management of Lupus Flare. www.obgmanagement.com. May 2006. counseled on appropriate timing of planned pregnancy › remission of at least 6 months and preferably more than 12 months and minimal or no need of immunosuppressives Risks to patient and fetus are discussed in detail The following baseline investigations are obtained at the start › › › › CBC Urea, creatinine, electrolytes Liver function tests ANA, anti dsDNA, aPL, anti-Ro/anti-La Mackillop, Lucy H., et al. Pregnancy plus Systemic Lupus Erythematosus. BMJ.2007; 335: 93336. follow-up frequency is dependent on disease activity hydroxychloroquine is given to prevent flares Low dose aspirin is administered to prevent preeclampsia If APLS positive or history of thrombosis or fetal loss, treatment with heparin or LMWH and low dose aspirin Mackillop, Lucy H., et al. Pregnancy plus Systemic Lupus Erythematosus. BMJ.2007; 335: 93336. fetus is regularly monitored by obstetrician using Doppler UTZ › 20 weeks, a detailed morphology scan is done › Regular growth scans at 28, 32 and 36 weeks is done › If with anti-Ro and anti-La, fetal heart pulsed Doppler echocardiography at 18 weeks and 3rd trimester Delivery method and timing depends on obstetric indications Mackillop, Lucy H., et al. Pregnancy plus Systemic Lupus Erythematosus. BMJ.2007; 335: 93336. Nutrition management › Megavitamin therapy › adequate dietary intake › Breastfeeding is contraindicated when taking the following drugs: mycophenolate, cyclophosphamide, methotrexate and leflunomide › Breastfeeding is appropriate if the maternal dose of prednisone is <30 mg/d, to take her medications just after breast-feeding Ferris, Ann M., et al. Nutritional consequences of chronic maternal conditions during pregnancy and lactation: lupus and diabetes. American Journal of Clinical Nutrition. 1994; 59 (suppl): 465S-73S. Spontaneous abortion Preeclampsia IUGR Fetal death rate Preterm delivery Thromboembolism Lupus nephritis Renal failure Antiphospholipid syndrome Active disease at conception First presentation of SLE at pregnancy 7 Molad, Yair. Sytemic Lupus in Pregnancy. Current Opinion in Obstetrics and Gynecology.2006; 18: 613-617. Mortality Survival #% Total Full term delivery 2 (5%) 16 (38%) 18 (43%) Preterm delivery Abortion 12 (28%) 4 (10%) 16 (38%) 8 (19%) 0 8 (19%) Total 22 (52%) 20 (48%) 8 Valdez, Corazon, et al. Systemic Lupus Erythematosus in Pregnancy: a 23-year review. Acta Medica Philippina On regular follow up to Rheuma, Renal, Perinatology Maintained on Prednisone, Azathioprine, Aspirin, megavitamin Controlled hypertension Normal fetus on serial scans EDC: Aug. 26, 2008the Awaiting APAS Father is alienating the patient. Whether pregnancy does exacerbate SLE is a controversial issue. Women with SLE can have successful pregnancies. In the care of lupus pregnant patient, the most diffiucult dilemma is saving both the mother and the unborn child.