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1.
J Clin Transl Sci ; 7(1): e106, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37250989

RESUMO

Interprofessional healthcare team function is critical to the effective delivery of patient care. Team members must possess teamwork competencies, as team function impacts patient, staff, team, and healthcare organizational outcomes. There is evidence that team training is beneficial; however, consensus on the optimal training content, methods, and evaluation is lacking. This manuscript will focus on training content. Team science and training research indicates that an effective team training program must be founded upon teamwork competencies. The Team FIRST framework asserts there are 10 teamwork competencies essential for healthcare providers: recognizing criticality of teamwork, creating a psychologically safe environment, structured communication, closed-loop communication, asking clarifying questions, sharing unique information, optimizing team mental models, mutual trust, mutual performance monitoring, and reflection/debriefing. The Team FIRST framework was conceptualized to instill these evidence-based teamwork competencies in healthcare professionals to improve interprofessional collaboration. This framework is founded in validated team science research and serves future efforts to develop and pilot educational strategies that educate healthcare workers on these competencies.

2.
Acad Med ; 96(6): 864-868, 2021 06 01.
Artigo em Inglês | MEDLINE | ID: mdl-32826419

RESUMO

PROBLEM: Medical students often have preferences regarding the order of their clinical rotations, but assigning rotations fairly and efficiently can be challenging. To achieve a solution that optimizes assignments (i.e., maximizes student satisfaction), the authors present a novel application of the Hungarian algorithm, designed at the University of Texas Southwestern Medical Center (UTSW), to assign student schedules. APPROACH: Possible schedules were divided into distinct pathway options with k total number of seats. Each of n students submitted a ranked list of their top 5 pathway choices. An n × k matrix was formed, where the location (i, j) represented the cost associated with student i being placed in seat j. Progressively higher costs were assigned to students receiving less desired pathways. The Hungarian algorithm was then used to find the assignments that minimize total cost. The authors compared the performance of the Hungarian algorithm against 2 alternative algorithms (i.e., the rank and lottery algorithms). To evaluate the 3 algorithms, 4 simulations were conducted with different popularity weights for different pathways and were run across 1,000 trials. The algorithms were also compared using 3 years of UTSW student preference data for the classes of 2019, 2020, and 2021. OUTCOMES: In all 4 computer simulations, the Hungarian algorithm resulted in more students receiving 1 of their top 3 choices and fewer students receiving none of their preferences. Similarly, for UTSW student preference data, the Hungarian algorithm resulted in more students receiving 1 of their top 3 preferences and fewer students receiving none of their ranked preferences. NEXT STEPS: This approach may be broadly applied to scheduling challenges in undergraduate and graduate medical education. Furthermore, by manipulating cost values, additional constraints can be enforced (e.g., requiring certain seats to be filled, attempting to avoid schedules that begin with a student's desired specialty).


Assuntos
Algoritmos , Comportamento de Escolha , Estágio Clínico/normas , Feminino , Humanos , Masculino , Texas , Adulto Jovem
3.
Clin Teach ; 17(6): 661-668, 2020 12.
Artigo em Inglês | MEDLINE | ID: mdl-32620053

RESUMO

BACKGROUND: Transitions of care are a patient-safety priority. Constructs such as SBAR (situation, background, assessment, recommendation) and I-PASS (illness severity, patient summary, action list, situation awareness, synthesis by receiver) have been used to teach the benefit of structured handovers and have demonstrated an impact in simulated and clinical environments. Despite this, there is still a lack of literature describing handover training for medical students that allows early and sustained knowledge and skill acquisition. METHODS: We designed a curriculum to teach handovers to medical students that spanned 28 months of a 4-year medical education curriculum at a large medical school. The curriculum included two separate workshops that book-ended medical student core clerkships. The curriculum was evaluated via knowledge-based surveys and open-ended feedback from students. RESULTS: Two-hundred and forty students participated in the first 'Transition to clerkship' (T2C) workshop. There was improvement in the mean scores on a knowledge-based survey after the workshop (p < 0.001). The overall improvement in performance remained significant 1 year later (p < 0.001). Following the second, 'Residency essentials' (RE) workshop, students demonstrated marginal improvement in knowledge when compared with scores immediately post-T2C and pre-RE. There was overall improvement from pre-T2C to post RE. DISCUSSION: We outline the design and facilitation of two workshops for a large medical school class, as book-ended curricula before and after the clerkship phase of education. This project highlights the need for targeted learning and practice in handover delivery during clinical rotations to maintain and continually improve skills. We describe vertically integrated curricula that are logistically plausible, meaningful and beneficial.


Assuntos
Estágio Clínico , Educação de Graduação em Medicina , Educação Médica , Transferência da Responsabilidade pelo Paciente , Estudantes de Medicina , Competência Clínica , Currículo , Humanos , Faculdades de Medicina
4.
Med Teach ; 41(9): 1060-1064, 2019 09.
Artigo em Inglês | MEDLINE | ID: mdl-31132285

RESUMO

Introduction: Team-based learning (TBL) is an important curricular component of medical education. TBL sessions are evaluated based on individual readiness assurance test (IRAT) and group readiness assurance test (GRAT) scores. Previous research in non-medical professional settings has shown that group composition diversity is positively correlated with group outcomes. Methods: We conducted a retrospective analysis examining the relationship between TBL outcomes and group composition diversity in a class of first year medical students. Group composition diversity was quantified for age, gender, race, ethnicity, and socioeconomic status and correlated with TBL outcomes. A survey about perception of diversity was administered to the study cohort. Results: Racial heterogeneity was found to have a positive correlation with GRAT scores (p < 0.05). Group heterogeneity was not found to be associated with individual outcomes. Additionally, groups with higher racial and ethnic diversity reported a higher level of perceived diversity and were more likely to attribute positive group outcomes to diversity of their group. Discussion: These study findings suggest that greater racial diversity in a group is associated with higher group evaluation outcomes in the medical education TBL environment. These findings may have implications for TBL group design and medical school admissions.


Assuntos
Diversidade Cultural , Avaliação Educacional , Processos Grupais , Estudantes de Medicina , Adulto , Atitude , Estágio Clínico , Educação de Graduação em Medicina , Feminino , Humanos , Masculino , Aprendizagem Baseada em Problemas , Análise de Regressão , Estudos Retrospectivos , Estudantes de Medicina/psicologia , Inquéritos e Questionários , Texas , Adulto Jovem
5.
MedEdPublish (2016) ; 8: 171, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-38089345

RESUMO

This article was migrated. The article was marked as recommended. Introduction:The University of Texas Southwestern Medical School (UT Southwestern) developed a required, pass/fail Step 1 preparation course in conjunction with their new curriculum to support students with structure, encouragement, and accountability. This study examined the Step 1 performance of students who have taken the prep course after completing pre-clinical coursework and factors which predicted outcomes. Methods: Data were collected between January 2017 and July 2018 from 453 2 nd-year medical students enrolled in the six week course. Multilinear regression and Chi-squared analysis were performed to compare pre-clinical course performance with Step 1 readiness and outcomes. Results: Average course final exam scores and CBSSA results were significantly and directly associated with Step 1 scores. Pre-clinical exam performance, practice exam scores at the beginning of the Step 1 preparation period and an increase in practice exam scores over the study period correlated with Step 1 performance. The percent pass rates and mean scores in 2017 were at 97% and 235, but in 2018, no student failed Step 1 (100% pass rate), and the mean score rose to 239. Discussion and Conclusion: A structured Step 1 Prep Course was well-accepted by students. Exam performance can be predicted from pre-clerkship performance and progress made during the course on practice exams and early intervention for at-risk students can improve performance of at-risk students.

6.
Am J Perinatol ; 30(3): 233-40, 2013 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-22926635

RESUMO

OBJECTIVES: The optimal management of infants born to mothers with peripartum influenza infection is not known. The objective of this study is to describe our experience with a practice guideline that promotes rooming-in and breast-feeding and to determine whether infants managed in this way acquire influenza infection. STUDY DESIGN: All mothers diagnosed with influenza infection within 8 days of delivery and their infants were included. Demographics, clinical characteristics, and outcome data were collected. Mothers were contacted at ~1 month after giving birth to determine if their infants had developed any signs suggestive of influenza infection. RESULTS: Forty-two women were diagnosed with peripartum influenza over the 2003 to 2005 and 2009 to 2010 seasons. Median onset of symptoms was 3 days before delivery, and median day of diagnosis was 1 day before delivery. The 42 infants had a median gestational age of 39 weeks; none were born earlier than 35 weeks. Ninety-five percent of the infants roomed-in with their mothers. Follow-up information was available on 95% of infants by 1 month; no infants had illness suggestive of influenza through the follow-up period. CONCLUSION: A guideline for the management of infants born to mothers with peripartum influenza infection, based on attention to hand hygiene, antiviral treatment for mothers, and encouragement of rooming-in and breast-feeding, was not associated with mother-to-infant influenza transmission over three separate influenza seasons.


Assuntos
Transmissão Vertical de Doenças Infecciosas/prevenção & controle , Influenza Humana/transmissão , Período Pós-Parto , Guias de Prática Clínica como Assunto , Adulto , Antivirais/uso terapêutico , Aleitamento Materno , Feminino , Higiene das Mãos , Humanos , Recém-Nascido , Influenza Humana/tratamento farmacológico , Influenza Humana/prevenção & controle , Masculino , Estudos Retrospectivos , Alojamento Conjunto , Adulto Jovem
8.
Am J Perinatol ; 29(4): 259-66, 2012 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-21809264

RESUMO

We analyzed complete blood count (CBC) data obtained from neonates with Down syndrome (DS) in a primarily Hispanic population over a 10-year period to determine the incidence of hematologic abnormalities and the relationship of abnormalities to the presence of circulating blasts (CB). Hematologic values obtained during the first 10 days were analyzed. Definitions were: CB, ≥ 1% blasts manually counted on peripheral smear; elevated white blood cell count (WBC), >30,000 cells/mm(3); thrombocytopenia, platelet count < 150,000/mm(3); polycythemia, hematocrit >65%. Two hundred thirty-two neonates (88% Hispanic) with DS had 692 CBCs available for analysis. The presence of CB (11.6%) and the incidence of thrombocytopenia (60.2%) were significantly higher in DS neonates than in the reference group. Elevated WBC (33.3%) and thrombocytopenia (84.6%) were more common in DS neonates with CB versus those with no CB. No relationship between thrombocytopenia and polycythemia was observed. Unlike previous reports, we did not observe a male predominance in those DS neonates with CB. Thrombocytopenia occurred frequently in DS neonates and was significantly more likely in those with CB than in those with no CB. CBC screening should be performed routinely in DS neonates.


Assuntos
Síndrome de Down/complicações , Doenças Hematológicas/complicações , Contagem de Células Sanguíneas , Síndrome de Down/sangue , Feminino , Humanos , Recém-Nascido , Masculino , Transtornos Mieloproliferativos/complicações , Policitemia/complicações , Trombocitopenia/complicações
9.
Pediatr Infect Dis J ; 31(1): 89-90, 2012 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-21860336

RESUMO

Our objective was to characterize the hospital course and short-term outcomes of neonates exposed to prolonged rupture of membranes (PROM), chorioamnionitis (CH), or both PROM and CH. Outcomes were positive blood culture and/or clinical signs of infection (+BC/CSI) prompting >4 days of antibiotics. Six neonates had a positive BC, 2 (0.6%) in the CH group and 4 (2.7%) in the PROM + CH group (P = 0.05); none of the neonates exposed to PROM alone had a +BC. These results support our current approach of withholding routine antibiotic therapy in neonates exposed to PROM alone.


Assuntos
Antibacterianos/uso terapêutico , Corioamnionite/tratamento farmacológico , Ruptura Prematura de Membranas Fetais/tratamento farmacológico , Doenças do Prematuro/tratamento farmacológico , Assistência Perinatal/métodos , Sepse/prevenção & controle , Sangue/microbiologia , Meios de Cultura , Feminino , Humanos , Recém-Nascido , Recém-Nascido Prematuro , Tempo de Internação , Gravidez , Complicações Infecciosas na Gravidez , Fatores de Risco
10.
Pediatrics ; 122(4): e815-20, 2008 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-18762486

RESUMO

OBJECTIVE: The purpose of this prospective study was to assess the feasibility and reliability of pulse oximetry screening to detect critical congenital heart defects in a newborn nursery. METHODS: The study was performed in a large urban hospital with an exclusively inborn population. Stable neonates who had a gestational age of >or=35 weeks and birth weight of >or=2100 g and in whom a critical congenital heart defect was not suspected were admitted to the newborn nursery. When the 4-hour pulse oximetry reading was <96%, pulse oximetry was repeated at discharge, and when the pulse oximetry reading remained at persistently <96%, echocardiography was performed. RESULTS: Of 15299 admissions to newborn nursery during the 12-month study period, 15233 (99.6%) neonates were screened with 4-hour pulse oximetry. Pulse oximetry readings were >or=96% for 14374 (94.4%) neonates; 77 were subsequently evaluated before discharge for cardiac defects on the basis of clinical examination. Seventy-six were normal, and 1 had tetralogy of Fallot with discontinuous pulmonary arteries. Pulse oximetry readings at 4 hours were <96% in 859 (5.6%); 768 were rescreened at discharge, and 767 neonates had a pulse oximetry reading at >or=96%. One neonate had persistently low pulse oximetry at discharge; echocardiography was normal. Although 3 neonates with a critical congenital heart defect had a 4-hour pulse oximetry reading of <96%, all developed signs and/or symptoms of a cardiac defect and received a diagnosis on the basis of clinical findings, not screening results. CONCLUSIONS: All neonates with a critical congenital heart defect were detected clinically, and no cases of critical congenital heart defect were detected by pulse oximetry screening. These results indicate that pulse oximetry screening does not improve detection of critical congenital heart defects above and beyond clinical observation and assessment. Our findings do not support a recommendation for routine pulse oximetry screening in seemingly healthy neonates.


Assuntos
Cardiopatias Congênitas/diagnóstico , Oximetria/métodos , Estado Terminal , Diagnóstico Diferencial , Feminino , Seguimentos , Cardiopatias Congênitas/sangue , Humanos , Recém-Nascido , Masculino , Oximetria/estatística & dados numéricos , Estudos Prospectivos , Reprodutibilidade dos Testes
11.
Pediatrics ; 121(5): 970-5, 2008 May.
Artigo em Inglês | MEDLINE | ID: mdl-18450901

RESUMO

OBJECTIVES: The objectives were to determine the frequency of congenital cytomegalovirus infection among newborns who did not pass hearing screening tests or had confirmed hearing loss and to determine how often abnormal hearing screening results were the only manifestation of congenital cytomegalovirus infection. METHODS: Retrospective chart review was performed for newborns who had abnormal hearing screening results and positive urine cytomegalovirus culture results at Parkland Memorial Hospital between September 1, 1999, and August 31, 2004. RESULTS: During the 5-year study period, 572 of 79047 newborns (7 of 1000 live births) did not pass hearing screening tests. Cytomegalovirus infection was identified in 24 (5%) of 483 tested infants and 16 (6%) of the 256 infants with subsequently confirmed hearing impairment. Of those 16 infants, 12 (75%) were identified as having congenital cytomegalovirus infection only because of failure to pass newborn hearing screening tests. CONCLUSIONS: Congenital cytomegalovirus infection was present for 6% of newborns with confirmed hearing impairment, and the majority of those infants were identified on the basis of abnormal newborn hearing screening results.


Assuntos
Infecções por Citomegalovirus/congênito , Infecções por Citomegalovirus/diagnóstico , Testes Auditivos , Triagem Neonatal , Perda Auditiva Neurossensorial , Humanos , Recém-Nascido
12.
Pediatr Nephrol ; 23(4): 569-74, 2008 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-18219496

RESUMO

Since noting an apparent increase in hypocalcemia in neonates receiving gentamicin every 24 h (q 24 h) for > or = 4 days, we have prospectively monitored serum calcium (Ca) values in these patients receiving prolonged gentamicin therapy. This study is a retrospective analysis of those values measured during gentamicin treatment. The study included neonates with gestational age > or = 35 weeks who received > or = 4 days of gentamicin therapy and in whom at least one serum Ca value was measured > or = 47 h after initiation of therapy. Hypocalcemia was defined as a serum Ca level < 8 mg/dl (2 mmol/l). Data were analyzed by Student t-test, chi-square test, and Pearson product moment correlation. There were 1,624 neonates that met the study criteria. Ca was < 8 mg/dl in 241 (15%). Ca < 8 mg/dl was more likely in boys than in girls (16.4% vs 11.8%, P = 0.01) and in neonates < 37 weeks gestational age (GA) than in those > or = 37 weeks GA (23.9% vs 14.1%, P = 0.01). A second Ca value was obtained in 883 neonates (54%); 23.2% of neonates with initial Ca < 8 mg/dl remained hypocalcemic, and 30% of these were receiving oral Ca supplementation. The second Ca value was < 8 mg/dl in eight neonates in whom initial Ca was > or = 8 mg/dl. Hypocalcemia is not uncommon in neonates receiving gentamicin therapy, and it may occur more frequently in boys and late-preterm infants. These data suggest that the monitoring of serum Ca levels should be considered when gentamicin is given > or = 4 days.


Assuntos
Antibacterianos/efeitos adversos , Cálcio/sangue , Gentamicinas/efeitos adversos , Recém-Nascido Prematuro/sangue , Cálcio/administração & dosagem , Monitoramento de Medicamentos , Feminino , Idade Gestacional , Humanos , Recém-Nascido , Doenças do Recém-Nascido/tratamento farmacológico , Masculino , Pneumonia/tratamento farmacológico , Estudos Retrospectivos , Sepse/tratamento farmacológico
13.
J Perinatol ; 25(7): 486-90, 2005 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-15908989

RESUMO

OBJECTIVES: To evaluate performance of the Minolta JM-103 Jaundice Meter (JM) as a predictor of total serum bilirubin (TSB) in outpatient neonates during the first week postnatal, and to estimate the number of TSB determinations that might be avoided in clinical use. STUDY DESIGN: In neonates evaluated posthospital discharge, JM and TSB results were compared using linear regression and a Bland-Altman plot, and predictive indices were calculated for various JM cutoff values. Utilizing the 2004 American Academy of Pediatrics (AAP) guidelines, the ability of JM to predict risk zone status was determined. RESULTS: Overall correlation between JM and TSB was 0.77 (p<0.001; n=121). When TSB was >17 mg/dl, a cutoff value for JM of 13 mg/dl had a sensitivity of 1.0, and 50% of TSB determinations would be avoided. CONCLUSIONS: JM may facilitate outpatient management of hyperbilirubinemia by reducing the number of TSB determinations required; however, it does not provide a reliable substitute for laboratory measurement of TSB.


Assuntos
Bilirrubina/sangue , Análise Química do Sangue/instrumentação , Icterícia Neonatal/sangue , Triagem Neonatal/instrumentação , Pele/metabolismo , Feminino , Seguimentos , Hispânico ou Latino , Humanos , Recém-Nascido , Recém-Nascido Prematuro , Icterícia Neonatal/diagnóstico , Masculino , Alta do Paciente , Valor Preditivo dos Testes , Estudos Prospectivos
14.
Pediatrics ; 113(5): 1173-80, 2004 May.
Artigo em Inglês | MEDLINE | ID: mdl-15121926

RESUMO

OBJECTIVE: Chorioamnionitis complicates 1% to 10% of pregnancies and increases the risk of neonatal infection. Women with chorioamnionitis receive intrapartum antibiotics, often resulting in inconclusive neonatal blood cultures. Peripheral neutrophil values are used frequently to assist in the diagnosis of neonatal infection and to determine duration of antibiotics; we sought to determine the utility of this approach. METHODS: A prospective observational study was performed in 856 near-term/term neonates who were exposed to suspected chorioamnionitis. Each received antibiotics for 48 hours unless clinical infection or positive blood cultures occurred. Peripheral neutrophils were measured serially and analyzed using the reference ranges of Manroe et al; an additional analysis of only the initial neutrophil values used the normal ranges of Schelonka et al. Results of neutrophil analyses were not used to determine duration of therapy. Fifty percent of asymptomatic neonates were seen postdischarge to ascertain recurrent infection. Local patient charges were examined. RESULTS: Ninety-six percent of neonates were asymptomatic and had negative cultures, and antibiotics were discontinued at 48 hours. A total of 2427 neutrophil counts were analyzed. Although abnormal neutrophil values were more frequent in infected or symptomatic neonates, 99% of asymptomatic neonates had > or = 1 abnormal value. The specificity and negative predictive values for abnormal neutrophil values ranged between 0.12 and 0.95 and 0.91 and 0.97, respectively; sensitivity was 0.27 to 0.76. Significant differences in interpretation of the initial neutrophil values were noted, depending on the normal values used. Follow-up was performed for 373 asymptomatic neonates until 3 weeks' postnatal age. Eight required rehospitalization; none had evidence of bacterial infection. If neutrophil values had been used to determine duration of antibiotics, then local costs would have increased by 76,000 dollars to 425,000 dollars per year. CONCLUSIONS: Single or serial neutrophil values do not assist in the diagnosis of early-onset infection or determination of duration of antibiotic therapy in asymptomatic, culture-negative neonates who are > or = 35 weeks' gestation and are delivered of women with suspected chorioamnionitis.


Assuntos
Antibacterianos/uso terapêutico , Contagem de Células Sanguíneas , Corioamnionite/complicações , Infecções/congênito , Infecções/tratamento farmacológico , Adolescente , Adulto , Corioamnionite/tratamento farmacológico , Feminino , Humanos , Recém-Nascido , Infecções/sangue , Tempo de Internação , Masculino , Neutrófilos , Gravidez , Estudos Prospectivos
15.
J Perinatol ; 23(5): 372-7, 2003.
Artigo em Inglês | MEDLINE | ID: mdl-12847531

RESUMO

OBJECTIVES: To compare 2 days of antibiotic therapy (AT) to 4 days of AT in neonates with pneumonia and to assess the usefulness of neutrophil values (NV), C-reactive protein (CRP), and procalcitonin (PCT) in this population. DESIGN: The study population consisted of consecutive, eligible term neonates begun on AT for suspected pneumonia. Of 51 neonates, 26 qualified for randomization (14, 2-day group; 12, 4-day group). NV were obtained with the initial evaluation and 12 and 24 hours later. CRP and PCT were obtained 12 and 48 hours after the initial evaluation. RESULTS: None of the 12 neonates in the 4-day group developed recurrent respiratory symptoms. Three of the 14 neonates randomized to the 2-day group had recurrence of symptoms, resulting in study termination. NV, CRP, and PCT were similar in the 2- and 4-day groups. In the three neonates who developed respiratory symptoms, all absolute total neutrophil values and five out of nine absolute total immature neutrophil values were abnormal. However, all immature:total neutrophil values were normal, and CRP was strikingly elevated in only one neonate; only one of six PCT values was abnormal. In a secondary analysis of all 51 study neonates, CRP and PCT did not provide additional benefit over NV in differentiating neonates with pneumonia. CONCLUSIONS: Four days of AT appears to be adequate for selected term neonates with pneumonia; however, 2 days of AT appears to be inadequate for this population. Relative to NV, CRP and PCT appear to have a limited role.


Assuntos
Antibacterianos/administração & dosagem , Pneumonia Bacteriana/diagnóstico , Pneumonia Bacteriana/tratamento farmacológico , Ampicilina/administração & dosagem , Peso ao Nascer , Técnicas de Laboratório Clínico , Relação Dose-Resposta a Droga , Esquema de Medicação , Feminino , Seguimentos , Gentamicinas/administração & dosagem , Idade Gestacional , Humanos , Recém-Nascido , Injeções Intramusculares , Unidades de Terapia Intensiva Neonatal , Masculino , Penicilinas/administração & dosagem , Probabilidade , Estudos Prospectivos , Valores de Referência , Resultado do Tratamento
16.
Pediatr Nephrol ; 18(7): 653-6, 2003 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-12750977

RESUMO

Aminoglycosides are administered frequently to neonates with suspected sepsis. We report the association of hypocalcemia in term and near-term neonates receiving gentamicin therapy for >/=4 days after a change in dosing from every 12 h to every 24 h. The possible association with a higher gentamicin dose and longer dosing interval is described.


Assuntos
Antibacterianos/efeitos adversos , Gentamicinas/efeitos adversos , Hipocalcemia/induzido quimicamente , Análise Química do Sangue , Cálcio/sangue , Relação Dose-Resposta a Droga , Feminino , Humanos , Hipocalcemia/epidemiologia , Recém-Nascido , Masculino , Estudos Retrospectivos
17.
Pediatrics ; 110(1 Pt 1): 61-7, 2002 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-12093947

RESUMO

OBJECTIVE: To compare estimates of serum bilirubin as determined by a transcutaneous device (BiliChek [BC]) with laboratory-measured total serum bilirubin (TSB) in a predominately Hispanic population in which a significant number of TSB values > or =15 mg/dL was anticipated. METHODS: A total of 248 Hispanic and 56 non-Hispanic neonates were studied. Transcutaneous measurements were performed by 1 investigator within 30 minutes of blood sampling for TSB; TSB was determined in a large clinical laboratory using the diazo Jendrassik-Grof with blank method. Agreement between BC and TSB determinations was assessed using Bland-Altman plots and the Bradley-Blackwood test. Interdevice comparisons were made among the BC devices. Predictive indices for TSB >10 mg/dL and >15 mg/dL were determined using various BC cutoff values. RESULTS: TSB was > or =15 mg/dL in 31% of the Hispanic neonates. BC generally tended to underestimate TSB determinations, and this trend was more pronounced when TSB was >10 mg/dL. Very high sensitivities were observed only when relatively low BC cutoff values were used to predict TSB >10 mg/dL or >15 mg/L. Relatively small numbers of infants had BC values in these low ranges. CONCLUSIONS: The tendency of BC to underestimate TSB limits its usefulness in neonates with relatively high TSB. In this population, most infants would have required additional evaluation to ensure that TSB was not >10 mg/dL or >15 mg/dL. It seems that the discrepancy between this study and previous studies of BC is related to our relatively large number of TSB values > or =15 mg/dL.


Assuntos
Bilirrubina/sangue , Hispânico ou Latino/estatística & dados numéricos , Icterícia Neonatal/sangue , Análise Química do Sangue/instrumentação , Cromatografia Líquida de Alta Pressão/estatística & dados numéricos , Humanos , Recém-Nascido , Icterícia Neonatal/diagnóstico , Triagem Neonatal/métodos , Valor Preditivo dos Testes , Curva ROC , Sensibilidade e Especificidade , Análise Espectral
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