Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 20
Filtrar
2.
Clin Genitourin Cancer ; 21(2): e1-e8, 2023 04.
Artículo en Inglés | MEDLINE | ID: mdl-36446679

RESUMEN

BACKGROUND: To examine differences in survival outcomes for muscle-invasive bladder cancer patients stratified by new mental health diagnosis. METHODS: Using the Surveillance, Epidemiology, and End Results (SEER)-Medicare data, we identified patients diagnosed with muscle-invasive bladder cancer between 2008 and 2014. Our primary outcome was cancer-specific and overall hazards of mortality. As a secondary outcome, we reported predictors of developing a new mental health diagnosis after bladder cancer diagnosis. We used Cox proportional hazards models to determine the impact of palliative care and mental health diagnoses on survival outcomes after adjusting for grade, stage, comorbidity index, and baseline demographics. RESULTS: Of the 3794 patients who met inclusion criteria, 1193 (31%) were diagnosed with a mental health illness after their bladder cancer diagnosis during the 6 years in the study period. The most common diagnoses were depression (13%), alcohol and drug abuse (12%), and anxiety (11%). Patients with a post-bladder cancer mental health diagnosis had a 57% higher hazard of overall mortality (HR 1.57, P = .048) and an 80% higher hazard of bladder cancer-specific mortality (HR 1.81, P = .037) CONCLUSIONS: New mental health diagnoses are associated with worse survival in patients with muscle invasive bladder cancer. This suggests that a multimodal approach to bladder cancer treatment should include addressing the non-oncologic needs of the patient to optimize survival outcomes.


Asunto(s)
Salud Mental , Neoplasias de la Vejiga Urinaria , Humanos , Anciano , Estados Unidos/epidemiología , Pronóstico , Medicare , Músculos , Programa de VERF
3.
J Urol ; 209(3): 589-590, 2023 03.
Artículo en Inglés | MEDLINE | ID: mdl-36519369
4.
Clin Nephrol ; 97(2): 86-92, 2022 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-34784999

RESUMEN

PURPOSE: Dehydration is a risk factor for kidney stone formation. Studying populations that may experience dehydration without a known increased incidence of stone formation may help understand stone formation and prevention. High-caliber athletes represent such a population. We characterized the urinary environment of high-caliber athletes utilizing 24-hour urine collections with comparison to non-athlete controls. MATERIALS AND METHODS: After Institutional Review Board (IRB) and National Collegiate Athletic Association (NCAA) compliance officer approval, 74 college-student athletes and 20 non-athletes were enrolled. Demographics, medical history, and sport of participation were recorded. Participants were asked to provide 24-hour urine collections as well as diet and activity logs at the time of urine collection. Standard stone risk parameters were assessed and compared to litholink reference standards. RESULTS: 34 athletes and 10 non-athletes provided at least one 24-hour urine specimen for evaluation. Athletes had a high prevalence of urinary risks for stone formation including low volume (median 1.46 L), low citrate, high sodium, high calcium (females), and high uric acid (males). However, athletes also had a high prevalence of known stone-protective factors such as high urine magnesium. Athletes had a lower urine pH but high supersaturation of uric acid and calcium oxalate compared to non-athletes. CONCLUSION: Student athletes appear to have a high prevalence of urinary risk factors for stone formation such as dehydration, high calcium, high uric acid, high sodium, and low citrate. Overall stone risk in this population may be offset by increased levels of stone-protective factors such as magnesium. Further study of this population may help generate hypotheses for effective stone prevention strategies in the general population.


Asunto(s)
Cálculos Renales , Atletas , Oxalato de Calcio , Citratos , Femenino , Humanos , Cálculos Renales/diagnóstico , Cálculos Renales/epidemiología , Cálculos Renales/etiología , Masculino , Factores de Riesgo , Estudiantes
5.
J Pediatr Surg ; 56(11): 2086-2093, 2021 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-33454082

RESUMEN

INTRODUCTION: We describe the effect of a state mandated opioid consent on opioid utilization and multimodal pain use for major pediatric genitourinary surgeries. METHODS: All patients who underwent an inpatient pediatric genitourinary surgery at the Children's Hospital of Pittsburgh between August 2015 and February 2020 were identified. Inpatient and outpatient multimodal pain control utilization were assessed. Delayed prescriptions or emergency department visits within 30 days were identified and when applicable referenced against National Surgical Quality Improvement Program data. RESULTS: After accounting for a 6-month transition period following policy implementation, 462 major pediatric genitourinary procedures were identified. The frequency of discharge opiate prescriptions decreased from 68.4% prior to the transition period to 10.7% afterward(p<0.001). Morphine milligram equivalents per prescription decreased from 75(IQR 45-150) to 45(IQR 22.5-75)(p<0.001). The rate of delayed non-opioid analgesic prescriptions (6.6% vs 7.4%), delayed opioid prescriptions (1.5% vs 0.3%), or emergency department visits (11.8% vs 12.6%)(p = 0.809) remained unchanged. Data agreed with National Surgical Quality Improvement Program data in 98.5% of cases. After excluding one surgeon who departed after the transition period, regional block utilization did not change from 61/115(53%) to 147/320(45.9%)(p = 0.425). CONCLUSIONS: A state mandated opioid consent safely reduced opioid utilization for most major pediatric genitourinary surgeries. LEVEL OF EVIDENCE: Level III.


Asunto(s)
Analgésicos Opioides , Dolor Postoperatorio , Analgésicos Opioides/uso terapéutico , Niño , Gobierno , Humanos , Consentimiento Informado , Manejo del Dolor , Dolor Postoperatorio/tratamiento farmacológico , Pautas de la Práctica en Medicina
6.
Urology ; 148: 224-229, 2021 02.
Artículo en Inglés | MEDLINE | ID: mdl-32961225

RESUMEN

OBJECTIVE: To examine the geographic and pharmacy-type variation in costs for generic benign prostatic hyperplasia (BPH) medications in order to improve drug price transparency and reduce health disparities. Medical therapy for BPH can be expensive, having significant implications for uninsured and underinsured patients. METHODS: We generated a 20% random sample of all pharmacies in Pennsylvania and queried each for the uninsured cash price of a 30-day prescription of tamsulosin 0.4mg daily, finasteride 5mg daily, oxybutynin immediate release 5mg TID and oxybutynin XL 10mg daily. Our primary objectives were to identify price variation based on pharmacy type (i.e., big chain and independent) and between geographic regions (predetermined by the Pennsylvania Health Care Cost Containment Council Database). We fit multivariable quantile regression models to test for an association between drug price and region after controlling for pharmacy type. RESULTS: Among 575 retail pharmacies contacted, 473 responded (82% response rate). The median cash price was significantly higher for big chain pharmacies than for independent pharmacies for tamsulosin ($66 vs. $15), finasteride ($68 vs. $15), oxybutynin immediate release ($49 vs. $35), and oxybutynin XL ($79 vs. $31) (all p < 0.05). When controlling for region, the median and 75th percentile price of all drugs was significantly higher for big chain pharmacies. When controlling for pharmacy type, regional variation was noted in all four drugs at the 75th percentile price and was greater for independent pharmacies. CONCLUSION: Compared to independent pharmacies, big chain pharmacies charged significantly more for generic BPH medications to uninsured patients. However, independent pharmacies demonstrated more regional variation in their pricing.


Asunto(s)
Costos y Análisis de Costo , Medicamentos Genéricos/economía , Finasterida/economía , Ácidos Mandélicos/economía , Hiperplasia Prostática/economía , Tamsulosina/economía , Finasterida/uso terapéutico , Humanos , Masculino , Ácidos Mandélicos/uso terapéutico , Pennsylvania , Hiperplasia Prostática/tratamiento farmacológico , Tamsulosina/uso terapéutico
7.
Cancer ; 127(2): 257-265, 2021 01 15.
Artículo en Inglés | MEDLINE | ID: mdl-33002197

RESUMEN

BACKGROUND: Surgeons play a pivotal role in combating the opioid crisis that currently grips the United States. Changing surgeon behavior is difficult, and the degree to which behavioral science can steer surgeons toward decreased opioid prescribing is unclear. METHODS: This was a single-institution, single-arm, pre- and postintervention study examining the prescribing of opioids by urologists for adult patients undergoing prostatectomy or nephrectomy. The primary outcome was the quantity of opioids prescribed in oral morphine equivalents (OMEs) after hospital discharge. The primary exposure was a multipronged behavioral intervention designed to decrease opioid prescribing. The intervention had 3 components: 1) formal education, 2) individual audit feedback, and 3) peer comparison performance feedback. There were 3 phases to the study: a pre-intervention phase, an intervention phase, and a washout phase. RESULTS: Three hundred eighty-two patients underwent prostatectomy, and 306 patients underwent nephrectomy. The median OMEs decreased from 195 to 19 in the prostatectomy patients and from 200 to 0 in the nephrectomy patients (P < .05 for both). The median OMEs prescribed did not increase during the washout phase. Prostatectomy patients discharged with opioids had higher levels of anxiety than patients discharged without opioids (P < .05). Otherwise, prostatectomy and nephrectomy patients discharged with and without opioids did not differ in their perception of postoperative pain management, activity levels, psychiatric symptoms, or somatic symptoms (P > .05 for all). CONCLUSIONS: Implementing a multipronged behavioral intervention significantly reduced opioid prescribing for patients undergoing prostatectomy or nephrectomy without compromising patient-reported outcomes.


Asunto(s)
Analgésicos Opioides/administración & dosificación , Prescripciones de Medicamentos/estadística & datos numéricos , Morfina/administración & dosificación , Nefrectomía , Manejo del Dolor/métodos , Dolor Postoperatorio/tratamiento farmacológico , Prostatectomía , Administración Oral , Anciano , Estudios de Cohortes , Femenino , Humanos , Masculino , Persona de Mediana Edad , Manejo del Dolor/psicología , Medición de Resultados Informados por el Paciente , Cirujanos/psicología , Resultado del Tratamiento , Estados Unidos , Urólogos/psicología
8.
J Urol ; 205(1): 264-270, 2021 01.
Artículo en Inglés | MEDLINE | ID: mdl-32749908

RESUMEN

PURPOSE: Postoperative opioids are overprescribed in the United States. In November 2016 the State of Pennsylvania required an opioid consent for minors. Our hypothesis is that this mandate decreased postoperative opioid prescriptions in our division. MATERIALS AND METHODS: All patients who received a urological outpatient or minor emergency procedure from August 2015 to August 2019 were identified. Surgeries performed within 6 months after mandate implementation were excluded to account for the transition period. Perioperative data including case type were extracted by a clinical data warehouse from preexisting fields within the health record. The frequencies of postoperative prescriptions, delayed prescriptions and emergency department encounters were assessed. A multivariable logistic regression to identify predictors of opioid prescription at discharge was performed. RESULTS: A total of 4,349 patients were analyzed. The frequency of postsurgical opioid prescriptions decreased from 45.3% to 2.6% (p <0.001). The median morphine milligram equivalent decreased by 22.5 among children prescribed an opioid (p <0.001). Rates of an emergency department visits (3% vs 2.7%) or delayed nonopioid prescriptions (0.8% vs 1.2%) within 30 days of discharge were unchanged (p >0.05). Fewer patients received a delayed opioid prescription after mandate implementation (0.03% vs 0.5%, p <0.001). Female patients were less likely (OR 0.309, 95% CI 0.195-0.491; p <0.001) to receive opioids prior to but not after the mandate (OR 0.309, 95% CI 0.544-2.035; p=0.122). Increasing age was predictive of receiving an opioid before (OR 1.187, 95% CI 1.157-1.218; p <0.001) and after (OR 1.241, 95% CI 1.186-1.299; p <0.001) the mandate. CONCLUSIONS: A state mandated opioid consent for minors greatly reduced post-urological surgery opioid prescription rates without increasing rates of readmission or delayed prescriptions.


Asunto(s)
Analgésicos Opioides/efectos adversos , Consentimiento Informado/legislación & jurisprudencia , Manejo del Dolor/normas , Dolor Postoperatorio/tratamiento farmacológico , Pautas de la Práctica en Medicina/estadística & datos numéricos , Procedimientos Quirúrgicos Urológicos/efectos adversos , Procedimientos Quirúrgicos Ambulatorios/efectos adversos , Analgésicos Opioides/normas , Niño , Preescolar , Utilización de Medicamentos/legislación & jurisprudencia , Utilización de Medicamentos/estadística & datos numéricos , Servicio de Urgencia en Hospital/estadística & datos numéricos , Tratamiento de Urgencia/efectos adversos , Tratamiento de Urgencia/métodos , Femenino , Humanos , Lactante , Consentimiento Informado/normas , Masculino , Epidemia de Opioides/prevención & control , Manejo del Dolor/métodos , Dolor Postoperatorio/etiología , Readmisión del Paciente/estadística & datos numéricos , Pennsylvania , Pautas de la Práctica en Medicina/legislación & jurisprudencia , Pautas de la Práctica en Medicina/normas , Estudios Retrospectivos , Gobierno Estatal , Procedimientos Quirúrgicos Urológicos/métodos , Urólogos/legislación & jurisprudencia , Urólogos/normas , Urólogos/estadística & datos numéricos
9.
Urology ; 140: 51-55, 2020 06.
Artículo en Inglés | MEDLINE | ID: mdl-32165276

RESUMEN

OBJECTIVE: To identify whether institutions with strong conflicts of interest (COI) policies receive less industry payments than those with weaker policies. While industry-physician interactions can have collaborative benefits, financial COI can undermine preservation of the integrity of professional judgment and public trust. To address this concern, academic institutions have adopted COI policies. It is unclear whether the strength of COI policy correlates with industry payments in urology. MATERIALS AND METHODS: 131 US academic urology programs were surveyed on their COI policies, and graded according to the American Medical Student Association (AMSA) criteria. Strength of COI policy was compared against industry payments in the Center for Medicare and Medicaid Services Open Payments database. RESULTS: Fifty-seven programs responded to the survey, for a total response rate of 44%. There was no difference between COI policy groups on total hospital payments (P = .05), total department payments (P = .28), or dollars per payment (P = .57). On correlation analysis, there was a weak but statistically nonsignificant correlation between AMSA Industry Policy Survey Score and Open Payments payments (ρ = -0.14, P = .32). CONCLUSION: Strength of conflicts of interest policy in academic urology did not correlate to industry payments within the Open Payments database. Establishment of strong COI policy may create offsetting factors that mitigate the intended effects of the policy. Further studies will be required to develop the evidence base for policy design and implementation across various specialties.


Asunto(s)
Conflicto de Intereses/economía , Conflicto de Intereses/legislación & jurisprudencia , Industria Manufacturera/economía , Urología/economía , Centers for Medicare and Medicaid Services, U.S. , Bases de Datos Factuales/economía , Bases de Datos Factuales/estadística & datos numéricos , Humanos , Relaciones Interinstitucionales , Industria Manufacturera/ética , Encuestas y Cuestionarios/estadística & datos numéricos , Estados Unidos , Urología/educación , Urología/ética , Urología/estadística & datos numéricos
10.
Urology ; 135: 106-110, 2020 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-31626857

RESUMEN

OBJECTIVE: To examine long- and short-term outcomes using cell salvage with a commercially available leukocyte depletion filter following radical cystectomy in an oncologic population. MATERIALS AND METHODS: One hundred and fifty-seven patients, 87 of whom received a cell salvage transfusion, were retrospectively identified from chart review. Ninety-day outcomes as well as long-term mortality and cancer recurrence data were collected. Chi-square, Student's t, or Mann-Whitney U tests were used as appropriate. Multivariable regressions of survival were performed with a Cox proportional-hazards model. RESULTS: Those who received a cell salvage transfusion did not show any differences in rate of cancer recurrence (23%) vs those who did not receive a cell salvage transfusion (24%; P = .85). There were also no differences noted in mortality rates between the 2 populations (12% vs 17%; P = .36). Furthermore, no differences were noted in postoperative complication rates, length of hospital stay, 90-day culture positive infections or readmissions (P >.05). CONCLUSION: There are no significant differences in short-term or long-term patient outcomes between those who did and did not receive an intraoperative cell salvage transfusion. Cell salvage transfusions with a leukocyte depletion filter are safe and effective methods to reduce the need for allogeneic blood transfusions while controlling for the theoretical risk of metastatic spread.


Asunto(s)
Pérdida de Sangre Quirúrgica/prevención & control , Transfusión de Sangre Autóloga/efectos adversos , Cistectomía/efectos adversos , Recurrencia Local de Neoplasia/epidemiología , Recuperación de Sangre Operatoria/efectos adversos , Neoplasias de la Vejiga Urinaria/cirugía , Anciano , Anciano de 80 o más Años , Transfusión de Sangre Autóloga/métodos , Femenino , Filtración/instrumentación , Estudios de Seguimiento , Humanos , Tiempo de Internación/estadística & datos numéricos , Procedimientos de Reducción del Leucocitos/instrumentación , Leucocitos/patología , Masculino , Persona de Mediana Edad , Recurrencia Local de Neoplasia/etiología , Siembra Neoplásica , Recuperación de Sangre Operatoria/instrumentación , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/etiología , Estudios Retrospectivos , Análisis de Supervivencia , Resultado del Tratamiento , Neoplasias de la Vejiga Urinaria/mortalidad , Neoplasias de la Vejiga Urinaria/patología
11.
Urology ; 124: 223-228, 2019 02.
Artículo en Inglés | MEDLINE | ID: mdl-30359708

RESUMEN

OBJECTIVE: To characterize geographic variability of generic benign prostatic hyperplasia (BPH) medications in order to improve drug price transparency and improve patient access to affordable medication sources. This is of interest because BPH is one of the most common chronic diseases in men and contributes to individual healthcare cost. Medical therapy is the main treatment modality for BPH, burdening patients with lifelong medication expenses which may impact adherence and subsequent outcomes. With an aging population, this is compounded by many older individuals requiring multiple daily medications. METHODS: All pharmacies within a 25-mile radius of our institution were identified and classified as chain, wholesale or independent. The out-of-pocket price for a 30-day supply of tamsulosin (0.4 mg), finasteride (5 mg), oxybutynin (5 mg TID), and oxybutynin 10 mg XL were obtained using a scripted telephone survey. Multivariable linear regression assessed the association between census-tract level demographic and socioeconomic factors and disparate generic out-of-pocket drug-pricing. RESULTS: The response rate was 93% with 255 pharmacies across 173 census tracts providing data. By pharmacy type, there was up to 5.5-fold variation in median out-of-pocket drug prices for the most common BPH medications. Demographic and socioeconomic factors were not significantly associated with generic BPH drug price variation. CONCLUSION: The out-of-pocket price of generic medications for BPH varies significantly between pharmacies in a geographically-confined area. This study highlights the need for quality improvement initiatives that empower patients to price-compare and improve drug price transparency.


Asunto(s)
Comercio/estadística & datos numéricos , Medicamentos Genéricos/economía , Medicamentos Genéricos/uso terapéutico , Hiperplasia Prostática/tratamiento farmacológico , Humanos , Masculino , Pennsylvania
12.
Eur Urol Focus ; 3(4-5): 395-402, 2017 10.
Artículo en Inglés | MEDLINE | ID: mdl-29174614

RESUMEN

CONTEXT: Testosterone replacement therapy (TRT) is currently approved by the Food and Drug Administration only for classic hypogonadism, although off-label indications have resulted in a dramatic expansion in prescriptions in the USA. Marketing may significantly affect prescriber behavior. OBJECTIVE: To systematically review all available evidence on marketing and TRT in the USA. EVIDENCE ACQUISITION: PubMed, Embase, and Scopus were searched up to July 2017 for all relevant publications reporting on assessments of the TRT market size, economic costs associated with hypogonadism, trends in TRT prescriptions, drug discontinuation rates, and advertising and sales efforts in the USA. EVIDENCE SYNTHESIS: Twenty retrospective studies were included in the final analysis. The market size for hypogonadism constitutes 5.6-76.8% of men in the USA, with the lower end of the range representing the strictest criteria for diagnosis. Men with a diagnosis of hypogonadism consume $14 118 in direct and indirect costs to the payer. Over the last 2 decades, TRT prescriptions have increased between 1.8- and 4-fold. After 1 yr, 80-85% of men discontinue TRT. There is an association between direct-to-consumer advertising and testosterone testing, TRT prescriptions, and TRT without testosterone testing. There is a high prevalence of misinformation on Internet advertising. CONCLUSIONS: Off-label indications have driven the dramatic expansion of TRT prescriptions over the last 2 decades. Direct-to-consumer advertising poses a unique challenge in the USA. Overtreatment can be avoided by applying strict diagnostic criteria for hypogonadism, which limits the addressable market for TRT. PATIENT SUMMARY: In this report, we reviewed the relationship between marketing and testosterone therapy in the USA. We found that many patients are prescribed testosterone without an appropriate diagnosis of hypogonadism, which may be related to the marketing efforts for off-label prescribing.


Asunto(s)
Recall de Medicamento/estadística & datos numéricos , Hipogonadismo/tratamiento farmacológico , Mercadotecnía/métodos , Testosterona/uso terapéutico , Adulto , Anciano , Anciano de 80 o más Años , Andrógenos/economía , Andrógenos/uso terapéutico , Publicidad Directa al Consumidor/tendencias , Humanos , Hipogonadismo/economía , Hipogonadismo/epidemiología , Masculino , Mercadotecnía/normas , Uso Excesivo de los Servicios de Salud/prevención & control , Persona de Mediana Edad , Prevalencia , Estudios Retrospectivos , Testosterona/economía , Estados Unidos/epidemiología
13.
Cancer ; 123(22): 4356-4362, 2017 Nov 15.
Artículo en Inglés | MEDLINE | ID: mdl-28749536

RESUMEN

BACKGROUND: Interactions between industry and prescribers have raised concerns regarding conflicts of interest. To the best of the authors' knowledge, quantitative data measuring these interactions have been limited until recently. In the current study, the authors sought to determine whether an association exists between industry payments and prescriber behavior with regard to abiraterone and enzalutamide. METHODS: Two Centers for Medicare and Medicaid Services databases were combined to analyze oncologists and urologists who received industry payments and/or prescribed abiraterone and enzalutamide. Correlation analysis was constructed on prescription count and industry payments. Multivariable median regression examined predictors of change in prescription count per dollar of industry payment. Stratifying prescribers by quantile evaluated threshold effects on prescribers. RESULTS: The number of prescriptions was similar between prescribers who did and those who did not receive industry payment for both drugs. The median industry payment amount to prescribers differed between prescribers and nonprescribers for abiraterone ($72 vs $56) and enzalutamide ($59 vs $31). Although no statistical association was found to exist between industry payment amount and prescription count for abiraterone prescribers, an association was found to exist for enzalutamide prescribers (rho = 0.31). A small change was found with regard to prescription count per dollar of industry payment for abiraterone (0.0007 prescriptions) and enzalutamide (0.0006 prescriptions). The amount of industry payment needed to predict one additional prescription was found to be lower in the fourth and fifth quantiles compared with the first through third quantiles. CONCLUSIONS: No difference in prescription count was found to exist between prescribers who received industry payments and those who did not. A positive correlation was noted between industry payments and prescription count for enzalutamide. Ease of adoption may affect differences between the 2 drugs. Cancer 2017;123:4356-62. © 2017 American Cancer Society.


Asunto(s)
Androstenos/economía , Androstenos/uso terapéutico , Industria Farmacéutica/economía , Medicare/economía , Feniltiohidantoína/análogos & derivados , Pautas de la Práctica en Medicina/economía , Benzamidas , Conflicto de Intereses , Costos de los Medicamentos , Industria Farmacéutica/ética , Ética Médica , Gastos en Salud/estadística & datos numéricos , Humanos , Revisión de Utilización de Seguros , Medicare/estadística & datos numéricos , Nitrilos , Feniltiohidantoína/economía , Feniltiohidantoína/uso terapéutico , Médicos/economía , Médicos/ética , Pautas de la Práctica en Medicina/ética , Estados Unidos/epidemiología
14.
Urology ; 100: 213-217, 2017 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-27542858

RESUMEN

OBJECTIVE: To asses if cystatin c-calculated glomerular filtration rate (GFR) can reveal chronic kidney disease (CKD) not detected by creatinine-based calculations in a larger prospective cohort of children with myelomeningocele (MMC). Wheelchair-bound MMC patients frequently have low muscle mass, and assessing renal deterioration based on creatinine-based GFR is imprecise. MMC patients are also at risk for end-stage renal disease. METHODS: Prospectively enrolled patients with MMC underwent annual serum creatinine and cystatin c testing. Anthropometric measurements were obtained from clinic visit. The modified (bedside) Schwartz formula for creatinine-based GFR and the Zappitelli cystatin C formula were utilized for calculation. The exclusion criteria were patients with reduced GFR (CKD stage 2) or chronic CKD (CKD stage 3 and greater); these patients were excluded from analysis on the premise that they had already been identified for closer renal monitoring. RESULTS: A total of 131 patients were included in the analysis. The median creatinine-based estimated GFR was 126.5 mL/min/1.73 m2 (range: 22-310). The median cystatin C-based estimated rate was 98.5 mL/min/1.73 m2 (range: 16-171), yielding an absolute median rate reduction of 30.2%. Using cystatin c-calculated GFR, CKD stage was upgraded from stage 1 to ≥2 in 34 patients (26%). CONCLUSION: In MMC patients with poor muscle mass, cystatin C-based GFR is more sensitive than creatinine-based GFR in detecting early CKD. In this high-risk population, serial cystatin C estimation is a valuable tool in identifying children who may benefit from early nephrology referral and intervention.


Asunto(s)
Cistatina C/sangre , Tasa de Filtración Glomerular , Meningomielocele/complicaciones , Insuficiencia Renal Crónica/sangre , Insuficiencia Renal Crónica/diagnóstico , Vejiga Urinaria Neurogénica/sangre , Adolescente , Biomarcadores/sangre , Niño , Preescolar , Estudios de Cohortes , Creatinina/sangre , Femenino , Humanos , Lactante , Recién Nacido , Masculino , Meningomielocele/sangre , Insuficiencia Renal Crónica/etiología , Factores de Riesgo , Sensibilidad y Especificidad , Vejiga Urinaria Neurogénica/complicaciones
15.
Urology ; 99: 203-209, 2017 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-27320684

RESUMEN

OBJECTIVE: To study the individual patient-related risk factors in those undergoing open corrective vesicoureteral reflux (VUR) surgery in a contemporary series. The management of VUR remains controversial, and the indications for open surgery has evolved from that of surgeon and patient preference to criteria involving breakthrough urinary tract infections and grade of VUR. MATERIALS AND METHODS: A retrospective study was performed, and patients undergoing open surgical repair for dilating VUR (grade III-V) from 2005 to 2014 were included. Characteristics of patients were determined to identify predictors of operative intervention. Statistical analysis including Fisher's exact test and multivariable logistic regression of patient demographics and independent predictors of surgery was performed using the Stata (College Station, TX) version 13 software package. RESULTS: Of the 469 patients, 351 (74.8%) underwent open intravesical ureteroneocystostomy and 118 (25.2%) were managed conservatively. Based on the multivariable analysis, age, female sex, number of febrile urinary tract infections, maximum grade of reflux, prenatal hydronephrosis, ureteral dilatation, and persistence of VUR on voiding phase of voiding cystourethrogram were strong predictors of eventual surgery. Female sex (odds ratio [OR]: 19.8), ureteral dilatation (OR: 6.2), and persistence of VUR on voiding phase (OR: 5.03) were among the strongest predictors of surgical intervention. CONCLUSION: Female sex and higher grades of VUR were the strongest predictors of eventual surgical intervention. VCUG characteristics of ureteral dilatation >7 mm and persistence of VUR on the voiding phase were also very strong predictors of eventual surgical intervention.


Asunto(s)
Medición de Riesgo/métodos , Uréter/cirugía , Vejiga Urinaria/cirugía , Urografía/métodos , Procedimientos Quirúrgicos Urológicos/métodos , Reflujo Vesicoureteral/diagnóstico , Adolescente , Adulto , Anastomosis Quirúrgica , Femenino , Humanos , Masculino , Estudios Retrospectivos , Factores de Riesgo , Índice de Severidad de la Enfermedad , Uréter/diagnóstico por imagen , Vejiga Urinaria/diagnóstico por imagen , Reflujo Vesicoureteral/cirugía , Adulto Joven
16.
J Endourol ; 30(9): 945-9, 2016 09.
Artículo en Inglés | MEDLINE | ID: mdl-27404555

RESUMEN

INTRODUCTION: No method currently exists for predicting which young child with a renal or ureteral stone will require surgery as opposed to pass the stone. Our goals were to analyze practice patterns at a major pediatric center and to identify factors that predicted spontaneous stone passage. METHOD: A retrospective review of all prepubertal patients (≤ 11 years) presenting to our institution from January 2005 to July 2014 with symptomatic nephrolithiasis was performed. Demographic data and stone details were reviewed, including anatomic location, size, and outcomes. Spontaneous stone passage was determined by parental report and/or stone absence on imaging obtained within 6 months after initial diagnosis. RESULTS: A total of 119 eligible patients were identified, with an average age of 88.7 months (4-143). Forty eight (40.3%) patients spontaneously passed their stone and the remaining 59.7% required endoscopic intervention. Overall, 79.0% had symptomatic presentation (flank pain, hematuria) and 39.5% of patients were obstructing stones. Symptomatic presentation was more common with ureteral (86.5%) than with renal (66.7%) stones, but was not associated with increased passage of stones in general (p-value 0.1765). Of the 48 patients who spontaneously passed stones, 11 (24.4%) were renal stones compared with 37 (50.0%) ureteral stones. The average size of spontaneously passed stones was 3.5 mm (2-8) for renal and 3.4 mm (1-7) for ureteral stones. Based on logistic regression, the single most important predictor of stone passage was stone size (p-value <0.001). The odds of passage were 3.1 times higher for ureteral stones compared with renal stones (p = 0.0070) when not controlling for size. CONCLUSION: In prepubertal patients, ureteral stones with an average size of 3.5 mm or less are more likely to pass spontaneously. Based on this information, watchful waiting is a reasonable option in clinically stable nonseptic patients with renal/ureteral stones of this size.


Asunto(s)
Cálculos Renales/terapia , Cálculos Ureterales/terapia , Niño , Preescolar , Femenino , Humanos , Lactante , Cálculos Renales/diagnóstico , Modelos Logísticos , Masculino , Pautas de la Práctica en Medicina/estadística & datos numéricos , Valor Predictivo de las Pruebas , Remisión Espontánea , Estudios Retrospectivos , Factores de Riesgo , Cálculos Ureterales/diagnóstico
17.
J Endourol ; 30(9): 970-4, 2016 09.
Artículo en Inglés | MEDLINE | ID: mdl-27301268

RESUMEN

PURPOSE: Primary ureteroscopic intervention for kidney or ureteral stones occasionally encounters difficulty with passage of the ureteroscope in the initial procedure. These patients require a second procedure after stenting. We aim to define the contemporary failure rate of primary ureteroscopy (URS) and identify predictive factors that necessitate prestenting. This will assist in preoperative patient counseling, informed consent, and clinical decision-making. MATERIALS AND METHODS: We conducted a multi-institutional retrospective review of 535 unstented patients undergoing primary URS from August 2011 to August 2013. The primary outcome was gaining access to the unstented ureter. RESULTS: The failure rate for accessing the unstented ureter was 7.7% (41/535). The median age of females with primary ureteroscopic failure was significantly lower than in females who had successful ureteroscopic access (34 vs 52 years; p = 0.0041). There was no difference in the median age of males with access vs failure (58 vs 57 years; p = 0.3683). Proximal ureteral stones had the highest failure rate for ureteral access at 18.28% (p = 0.006). On multivariable logistic regression, proximal ureteral stone location remained a significant predictor of failure when compared to renal stones (odds ratio [OR] 3.14, p = 0.006). When including only ureteral stones in the multivariable analysis, stone location in the proximal ureter compared to the distal ureter remained the only significant predictor of access failure (OR 0.24, p = 0.015). CONCLUSIONS: A low overall rate of ureteral access failure in unstented patients is shown. Young female patients and proximal ureteral stones were less likely to be accessed primarily. This study provides information that will help urologists counsel their patients preoperatively regarding their likelihood of failing primary URS necessitating a second procedure. This will also help the patient to make an informed decision during the consent process and may guide urologists on selective prestenting in higher risk patients.


Asunto(s)
Cálculos Renales/cirugía , Cálculos Ureterales/cirugía , Ureteroscopía/métodos , Adulto , Factores de Edad , Anciano , Femenino , Humanos , Cálculos Renales/patología , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Factores Sexuales , Stents , Insuficiencia del Tratamiento , Resultado del Tratamiento , Cálculos Ureterales/diagnóstico , Cálculos Ureterales/patología , Ureteroscopios
18.
Urology ; 89: 103-6, 2016 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-26747677

RESUMEN

OBJECTIVE: To compare the outcomes of ureteroscopic intervention in terms of both the stone-free rate and complications in both prepubertal and adolescent patients. Although safety of pediatric ureteroscopic intervention is well established, a comparative outcome of prepubertal and adolescent patients is lacking. MATERIALS AND METHODS: Pediatric patients who underwent ureteroscopic treatment of a renal or ureteral stone at our institution from July 2005 to August 2014 were retrospectively identified. Patients were classified by age either as prepubertal (≤11 years) or adolescent (>11 years) for purposes of comparison. Demographic and intraoperative variables as well as 30-day postoperative complication rates were compared between groups. Data were analyzed using χ(2) and Fisher's exact tests as appropriate. RESULTS: A total of 104 patients were identified, of whom 64 (62%) were prepubertal and 40 (38%) were adolescent. Ureteroscopic failure occurred in a minority of patients (5% vs 4.7%, P > .9). Complication rates including ureteral perforation (0% vs 1.6%, P > .9), postoperative urinary tract infection (2.5% vs 4.7%, P > .9), hematuria with clot passage (0% vs 7.8%, P = .15), and persistent flank pain (15% vs 17%, P = .85) were not significantly different between adolescent and prepubertal patients, respectively. CONCLUSION: In spite of small size and small body habitus, the ureteroscopic management of pediatric urolithiasis can be performed successfully in both the prepubertal and adolescent patients with acceptable and equivalent morbidity as well as successful clearance of stone.


Asunto(s)
Ureteroscopía , Urolitiasis/cirugía , Adolescente , Factores de Edad , Niño , Femenino , Humanos , Cálculos Renales/cirugía , Masculino , Estudios Retrospectivos , Resultado del Tratamiento , Cálculos Ureterales/cirugía , Ureteroscopía/efectos adversos
19.
Adv Urol ; 2015: 758536, 2015.
Artículo en Inglés | MEDLINE | ID: mdl-26635876

RESUMEN

Introduction. To determine the efficacy of bipolar transurethral incision with mitomycin C (MMC) injection for the treatment of refractory bladder neck stenosis (BNS). Materials and Methods. Patients who underwent bipolar transurethral incision of BNS (TUIBNS) with MMC injection at our institution from 2013 to 2014 were retrospectively reviewed. A total of 2 mg of 40% mitomycin C solution was injected in four quadrants of the treated BNS. Treatment failure was defined as the need for subsequent intervention. Results. Thirteen patients underwent 17 bipolar TUIBNS with MMC injection. Twelve (92%) patients had failed a mean of 2.2 ± 1.1 prior endoscopic procedures. Median follow-up was 16.5 months (IQR: 14-18.4 months). Initial success was 62%; five (38%) patients had a recurrence with a median time to recurrence of 7.3 months. Four patients underwent a repeat procedure, 2 (50%) of which failed. Overall success was achieved in 77% (10/13) of patients after a mean of 1.3 ± 0.5 procedures. BNS recurrence was not significantly associated with history of pelvic radiation (33% versus 43%, p = 0.9). There were no serious adverse events. Conclusions. Bipolar TUIBNS with MMC injection was comparable in efficacy to previously reported techniques and did not result in any serious adverse events.

20.
Spine J ; 14(6): e37-41, 2014 Jun 01.
Artículo en Inglés | MEDLINE | ID: mdl-24361348

RESUMEN

BACKGROUND CONTEXT: Vertebral artery (VA) injury is a rare but potentially devastating complication of cervical spinal fusion. The Magerl and Harms techniques are associated with a rate between 0% to 8% and 0% to 5%, respectively. Most of reported VA injuries are related to surgical exposure or screw placement, which in turn is likely due to variability in VA anatomy. PURPOSE: The purpose of this report was to present the case of a 77-year-old woman, with a history of right VA occlusion, who sustained an intraoperative left VA injury during posterior cervical spine fusion and the subsequent intraoperative and postoperative management strategies. STUDY DESIGN: This is a single-patient case report. METHODS: The patient was placed prone and into Mayfield tongs. A midline incision was made, and dissection was carried down to the lamina and facet joints from occiput to T2. During dissection, she sustained a left-sided VA injury, which was subsequently controlled. RESULTS: The patient was doing well at her 1-year postoperative visit without any residual neurologic deficits. Her severe neck pain had resolved. CONCLUSION: A detailed understanding of VA anatomy of each individual patient is paramount. There are four types of anomalies: intraforaminal; extraforaminal; arterial; and anomalies of the surrounding bony and soft-tissue architecture. In the event of a posterior intraoperative VA injury, we outlined an algorithm to deal with this complication: control bleeding temporarily to gain visualization of the arterial injury; remove lateral masses and tissue to adequately visualize the arterial injury; once visualized, control the bleeding and see if there are any neuromonitoring changes as a result of the VA occlusion; and proceed with definitive control of the artery by either repair or ligation.


Asunto(s)
Complicaciones Intraoperatorias/prevención & control , Fusión Vertebral/métodos , Arteria Vertebral/lesiones , Anciano , Tornillos Óseos , Femenino , Humanos , Complicaciones Intraoperatorias/etiología , Fusión Vertebral/efectos adversos
SELECCIÓN DE REFERENCIAS
DETALLE DE LA BÚSQUEDA
...