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1.
Arch. argent. pediatr ; 121(5): e202202825, oct. 2023. tab, graf
Article in English, Spanish | LILACS, BINACIS | ID: biblio-1510083

ABSTRACT

Los moduladores de la proteína reguladora transmembrana de fibrosis quística (CFTR) tratan el defecto de esta proteína. El objetivo es describir la evolución de niños con fibrosis quística tratados con lumacaftor/ivacaftor. Se trata de una serie de 13 pacientes de 6 a 18 años con ≥ 6 meses de tratamiento. Se analizaron el volumen espiratorio forzado en el primer segundo (VEF1), puntaje Z del índice de masa corporal (IMC), antibioticoterapia/año, antes del tratamiento y durante 24 meses posteriores. A los 12 meses (9/13) y 24 meses (5/13), la mediana de cambio del porcentaje del predicho VEF1 (ppVEF1) fue de 0,5 pp [-2-12] y 15 pp [8,7-15,2], y del puntaje Z de IMC de 0,32 puntos [-0,2-0,5] y 1,23 puntos [0,3-1,6]. El primer año (11/13) la mediana de días de uso de antibiótico disminuyó de 57 a 28 (oral) y de 27 a 0 (intravenoso). Dos niños evidenciaron eventos adversos asociados.


Cystic fibrosis transmembrane regulator (CFTR) modulators treat defective CFTR protein. Our objective is to describe the course of children with cystic fibrosis treated with lumacaftor/ivacaftor. This is a case series of 13 patients aged 6 to 18 years with ≥ 6 months of treatment. Forced expiratory volume in the first second (FEV1), body mass index (BMI) Z-score, antibiotic therapy/year, before treatment and for 24 months after treatment were analyzed. At 12 months (9/13) and 24 months (5/13), the median change in the percent predicted FEV1 (ppFEV1) was 0.5 pp (-2­12) and 15 pp (8.7­15.2) and the BMI Z-score was 0.32 points (-0.2­0.5) and 1.23 points (0.3­1.6). In the first year, in 11/13 patients, the median number of days of antibiotic use decreased from 57 to 28 (oral) and from 27 to 0 (intravenous). Two children had associated adverse events.


Subject(s)
Humans , Child , Adolescent , Cystic Fibrosis/drug therapy , Forced Expiratory Volume , Cystic Fibrosis Transmembrane Conductance Regulator/genetics , Aminophenols/therapeutic use , Hospitals , Anti-Bacterial Agents/therapeutic use , Anti-Bacterial Agents/pharmacology , Mutation
2.
Arch. argent. pediatr ; 121(3): e202202714, jun. 2023. ilus
Article in English, Spanish | LILACS, BINACIS | ID: biblio-1436134

ABSTRACT

El sarcoma sinovial pleuropulmonar (SSPP) es un tumor primario de pulmón, maligno, infrecuente en pediatría (prevalencia 0,1-0,5 %) que afecta predominantemente a adolescentes y adultos jóvenes. Se ha descrito una sobrevida global cercana al 30 % a los 5 años. Se reporta el caso de un paciente de 12 años de edad, previamente sano, que presentó tos, dolor torácico y disnea de comienzo súbito, como manifestación inicial de neumotórax izquierdo, el que persistió a los 4 días y requirió resección quirúrgica de lesión bullosa pulmonar. Se realizó diagnóstico histológico de sarcoma sinovial pleuropulmonar confirmado por estudio molecular, que evidenció la translocación cromosómica entre el cromosoma X y el 18: t(X;18) (p11.2;q11.2) de la pieza quirúrgica extirpada. Ante pacientes con neumotórax persistente o recidivante, es importante descartar causas secundarias, entre ellas, sarcoma sinovial pleuropulmonar. Su ominoso pronóstico determina la necesidad de arribar a un diagnóstico temprano e implementar un tratamiento agresivo


Pleuropulmonary synovial sarcoma (PPSS) is a primary malignancy of the lung, uncommon in pediatrics (prevalence: 0.1­0.5%) that predominantly affects adolescents and young adults. Overall survival has been reported to be close to 30% at 5 years. Here we report the case of a previously healthy 12-year-old male patient who presented with cough, chest pain, and dyspnea of sudden onset as initial manifestation of left pneumothorax, which persisted after 4 days and required surgical resection of pulmonary bullous lesion. A histological diagnosis of pleuropulmonary synovial sarcoma was made and confirmed by molecular study, which showed chromosomal translocation between chromosomes X and 18: t(X;18) (p11.2;q11.2) in the surgical specimen removed. In patients with persistent or recurrent pneumothorax, it is important to rule out secondary causes, including pleuropulmonary synovial sarcoma. Such poor prognosis determines the need for early diagnosis and aggressive treatment.


Subject(s)
Humans , Male , Child , Pneumothorax/complications , Pneumothorax/etiology , Sarcoma, Synovial/complications , Sarcoma, Synovial/diagnosis , Sarcoma, Synovial/pathology , Lung Neoplasms/complications , Lung Neoplasms/diagnosis , Cough , Lung/pathology
3.
Arch. argent. pediatr ; 120(5): e218-e222, oct. 2022. ilus
Article in Spanish | LILACS, BINACIS | ID: biblio-1395823

ABSTRACT

La tuberculosis es una de las principales causas infecciosas de muerte en el mundo y es endémica en Argentina. La mayoría de los casos de tuberculosis son de localización pulmonar; el tuberculoma una complicación infrecuente. Se describe un caso clínico de presentación pulmonar atípica de tuberculosis. Se trata de una niña de 15 meses, previamente sana, derivada a neumología por fiebre, mal progreso de peso e imagen persistente por 2 meses en la radiografía de tórax a pesar de haber recibido antibioticoterapia. Antecedente de contacto estrecho con persona sintomática respiratoria. Se internó para estudio, mostró una PPD de 13 mm y una masa voluminosa heterogénea en el lóbulo superior izquierdo en la tomografía computada de tórax. Se realizaron tres lavados gástricos y toracoscopia exploratoria con biopsia pulmonar con rescate de Mycobacterium tuberculosis en cultivos. Se diagnosticó tuberculoma pulmonar y realizó tratamiento estándar con fármacos antituberculosos con evolución favorable.


Tuberculosis is one of the main causes of death due to infection around the world. Although tuberculosis frequently involves lung parenchyma, tuberculoma is a rare complication. We describe an atypical pulmonary presentation of tuberculosis. A 15-month-old girl, previously healthy, was referred to the pulmonology department due to fever, poor weight gain, and a 2-months persistent lung image on chest x-ray despite antibiotic therapy. She had been in frequent contact with a respiratory symptomatic subject. She was admitted to the hospital with a TST of 13 mm and a heterogeneous bulky mass in the left upper lobe at chest computed tomography. Three gastric lavages were done and the patient underwent exploratory thoracoscopy and lung biopsy, with positive cultures for Mycobacterium tuberculosis. The diagnosis of pulmonary tuberculoma was confirmed, and the patient received standard anti- tuberculosis therapy with a favorable evolution.


Subject(s)
Humans , Female , Infant , Tuberculoma/pathology , Tuberculosis, Lymph Node , Tuberculosis, Pulmonary/complications , Tuberculosis, Pulmonary/diagnosis , Lung/pathology , Anti-Bacterial Agents
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