Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 113
Filtrar
1.
Eur J Trauma Emerg Surg ; 50(4): 1799-1806, 2024 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-38662211

RESUMO

PURPOSE: To compare the outcomes of distal neurotomy (DN) versus proximal neurotomy (PN) for the surgical management of painful neuromas in amputees and non-amputees, whether used in passive or active treatment. METHODS: A retrospective study was conducted on patients who underwent surgery for painful traumatic neuromas between 2019 and 2022. DN with neuroma excision was performed at the level of the injury or amputation. PN was performed using a separate proximal approach without neuroma excision. Outcomes included a Numerical Rating Scale (NRS) score and Patient-Reported Outcomes Measurement Information System (PROMIS) scores, as well as patients' subjective assessments. RESULTS: A total of 33 patients were included: 17 amputees and 16 non-amputees. They totalized 43 neuromas treated by DN in 21 cases and PN in 22 cases. At the median follow-up time of 13 months, there were significant decreases in all NRS and PROMIS scores in the whole series. The decrease in limb pain scores was not significantly different between groups, except for the decrease in pain interference and patient satisfaction which were higher in the DN group. Sub-group analyses found the same significant differences in amputees. Targeted muscle reinnervation (TMR) was associated with a higher decrease in PROMIS scores. CONCLUSION: DN seemed to give better results in amputees but there were confusing factors related to associated lesions. In other situations, the non-inferiority of PN was demonstrated. PN could be of interest for treating neuromas of superficial sensory nerves, for avoiding direct revision of a well-fitted stump and in conjunction with TMR.


Assuntos
Amputação Cirúrgica , Neuroma , Humanos , Masculino , Feminino , Neuroma/cirurgia , Estudos Retrospectivos , Pessoa de Meia-Idade , Adulto , Medição da Dor , Medidas de Resultados Relatados pelo Paciente , Resultado do Tratamento , Satisfação do Paciente , Idoso , Procedimentos Neurocirúrgicos/métodos , Neoplasias do Sistema Nervoso Periférico/cirurgia
2.
J Crit Care ; 78: 154399, 2023 12.
Artigo em Inglês | MEDLINE | ID: mdl-37556968

RESUMO

PURPOSE: This study aimed to assess the outcome and factors associated with mortality in patients who received urgent chemotherapy (CT) in the intensive care unit (ICU) in Lyon, France. MATERIAL AND METHODS: A total of 147 adult patients diagnosed with cancer and requiring urgent CT during ICU stay between October 2014 and December 2019 were included in this retrospective study. RESULTS: Hematological cancer was found in 77% of patients, and acute respiratory failure was the leading cause of ICU admission (46.3%). The 6-month mortality rate was 69.4%; patients with solid cancer had a higher risk of mortality. Patients who died within 6 months had a poor performance score and a higher SOFA score at admission. The multivariate analysis showed that solid tumors, sepsis on the day of CT, and SOFA score on the day of CT were associated with 6-month mortality. Additionally, 95% of patients who survived the ICU resumed conventional CT, with a higher likelihood of resuming CT among those with hematological cancer. CONCLUSION: Urgent CT in the ICU is feasible in a specific subset of patients, mainly those with hematological cancer, with resumption of the curative treatment regimen after ICU discharge.


Assuntos
Neoplasias Hematológicas , Leucemia Mieloide Aguda , Adulto , Humanos , Estudos Retrospectivos , Prognóstico , Unidades de Terapia Intensiva , Mortalidade Hospitalar
3.
Front Med (Lausanne) ; 9: 1076583, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36606045

RESUMO

Introduction: Prisons in low-income countries have barriers to providing adequate nutrition to the incarcerated. This perspective discusses a quality improvement program with health education to improve nutrition provided to men in two prisons in Haiti. Methods: Incarcerated men in the National Penitentiary in Port Au Prince and the prison in Mirebalais were the focus of the program. A culturally competent educational intervention was delivered to the prison cooks. Program evaluation included a baseline and a follow-up assessment in 2021 and 2022 in both prisons. Calories, body composition, and nutrition were assessed at both time points. Results: Among 1,060 men assessed in the baseline time period, the mean number of calories per day was 571. Further, 62.5% had a vitamin C intake insufficient to prevent scurvy and 91.6% had vitamin B1 insufficient to prevent beriberi. In the follow-up period, caloric intake decreased to a mean of 454 per day (p < 0.001). The proportion of incarcerated men who had insufficient vitamin C and vitamin B1 to prevent disease increased in the follow-up period. Discussion: The caloric and nutritional intake of incarcerated men in Haitian prisons is poor and is getting worse. The educational intervention with the cooks was not successful due to civil and political strife in the low-income country of Haiti. Standard interventions to improve nutrition need to consider the social context for accessing food.

4.
Ann Anat ; 232: 151581, 2020 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-32721442

RESUMO

INTRODUCTION: Cartilage repair usually involves in non-vascularized osteochondral or chondral grafts with some drawbacks potentially linked to the lack of vascular supply in those grafts. The aim of this study was to describe a surgical approach for harvesting a vascularized chondrocostal graft, to study the vascular supply to the perichondrium and finally to describe the perichondrium micro-vascularization in order to know how such grafts could be used in cartilage repair surgery. MATERIALS AND METHODS: We harvested and studied 18 costal cartilages harvested from 12 fresh anatomical subjects. The anatomic pieces were injected with a radio-opaque tracer, analyzed macroscopically, then a plain X-rays and CT scan analysis with three-dimensional rendering was performed in order to evaluate the characteristics of the different patterns of their vascularization. RESULTS: The surgical approach to harvest a vascularized 5th chondrocostal graft is explained in detail. All of the cartilages were vascularized by the internal thoracic artery and harvested with a pedicle of an average length of 34mm and diameter of 2.14mm. In all specimens, perichondrium vascularization arises from both superior and inferior intercostal branches. Anastomoses between inferior and superior intercostal branches are always found in all specimens at the level of the epichondrium. CONCLUSIONS: The anatomic approach for harvesting a vascularized chondrocostal graft is simple and only slightly differs from the approach described for harvesting a non-vascularized chondrocostal graft. The vascular supply to the perichondrium of such a vascularized chondrocostal graft is sustained by the internal thoracic vessels which have a sufficient diameter and length to allow easy micro-anastomosis. The organization of the micro-vasculature within the perichondrium allows the graft to be tailored to a large cartilage defects and also to small bipolar cartilage defects.


Assuntos
Artérias/anatomia & histologia , Cartilagem Costal/irrigação sanguínea , Cartilagem Costal/cirurgia , Microvasos/anatomia & histologia , Retalhos Cirúrgicos/irrigação sanguínea , Veias/anatomia & histologia , Artérias/diagnóstico por imagem , Cartilagem Costal/anatomia & histologia , Cartilagem Costal/diagnóstico por imagem , Feminino , Humanos , Masculino , Microvasos/diagnóstico por imagem , Músculos Peitorais/anatomia & histologia , Músculos Peitorais/cirurgia , Radiografia , Tomografia Computadorizada por Raios X , Veias/diagnóstico por imagem
5.
Eur J Obstet Gynecol Reprod Biol ; 247: 73-79, 2020 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-32086114

RESUMO

OBJECTIVES: At the time of controversies on surgical treatment of pelvic organ prolapse, our aim was to describe an effective technique of hysterocolpectomy with colpocleisis for elderly patients not wishing to maintain vaginal sexual activity and present mid-term results including pelvic floor symptoms and quality of life, patient satisfaction and surgical complications using validated scores. STUDY DESIGN: We conducted a retrospective study of all patients having undergone this surgery between June 2006 and June 2016. Women were examined using POP-Q classification and completed validated questionnaires concerning symptoms and quality of life before and after the surgery. Patient satisfaction was assessed using the PGI-I. Complications were described according to the Clavien-Dindo classification. RESULTS: During the 10-year period, 37 women underwent the surgery with a mean age at surgery of 81.2 years (range: 61-93 years). One per-operative complication occurred (a rectal wound that was sutured) and five Clavien-Dindo grade 3b postoperative complications. Three repeat operations were necessary within 15 days; one suburethral sling had to be lowered because of urinary retention; one tension-free vaginal tape had to be unilaterally sectioned for acute urinary retention; and one woman presented a pararectal abscess requiring surgical drainage. The mean duration of hospitalization was 5.5 (+/-4.2) days. The mean follow-up time was 44.1 (±30.1) months. All symptoms and quality of life scores decreased significantly after the surgery and patient satisfaction was good (PGI-I score = 1.55 +/-0.8). CONCLUSIONS: Hysterocolpectomy with colpocleisis appears to be an effective treatment with a high level of patient satisfaction among the elderly.


Assuntos
Histerectomia Vaginal/métodos , Prolapso de Órgão Pélvico/cirurgia , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Satisfação do Paciente , Qualidade de Vida , Estudos Retrospectivos , Inquéritos e Questionários
6.
J Clin Med ; 9(1)2020 Jan 17.
Artigo em Inglês | MEDLINE | ID: mdl-31963481

RESUMO

The most important prognostic factor in vulvar cancer is inguinal lymph node status at the time of diagnosis, even in locally advanced vulvar tumors. The aim of our study was to identify the risk factors of lymph node involvement in these women, especially the impact of lichen sclerosis (LS). We conducted a retrospective population-based cross-sectional study in two French referral gynecologic oncology institutions. We included all women diagnosed with a primary invasive vulvar cancer. Epithelial alteration adjacent to the invasive carcinoma was found in 96.8% (n = 395). The most frequently associated was LS in 27.7% (n = 113). In univariate analysis, LS (p = 0.009); usual type VIN (p = 0.04); tumor size >2 cm and/or local extension to vagina, urethra or anus (p < 0.01), positive margins (p < 0.01), thickness (p < 0.01) and lymphovascular space invasion (LVSI) (p < 0.01) were significantly associated with lymph node involvement. In multivariate analysis, only LS (OR 2.3, 95% CI [1.2-4.3]) and LVSI (OR 5.6, 95% CI [1.7-18.6]) remained significantly associated with positive lymph node. LS was significantly associated with older patients (p = 0.005), anterior localization (p = 0.017) and local extension (tumor size > 2 cm: p = 0.001). LS surrounding vulvar cancer is an independent factor of lymph node involvement, with local extension and LVSI.

7.
Mol Nutr Food Res ; 63(22): e1900644, 2019 11.
Artigo em Inglês | MEDLINE | ID: mdl-31408912

RESUMO

SCOPE: To investigate the formation and absorption of lycopene (LYC) metabolites in the human upper gastrointestinal lumen, in the absence and presence of iron. METHODS: Healthy males (n = 7) consumed test meals that deliver ≈22 mg LYC + ≈0.3 mg apo-lycopenals from oleoresin without (-FeSO4 ) and with ferrous sulfate (160 mg, +FeSO4 ). Subjects were intubated with a naso-gastric/naso-duodenal tube. Digesta, blood plasma, and the triglyceride-rich lipoprotein (TRL) fractions of plasma were analyzed using LC-MS/MS, to measure LYC and apo-lycopenoids. RESULTS: Digesta LYC concentrations increased with time (p = 1.2 × 10-7 ), decrease with time × iron (p = 1.1 × 10-5 ), and remain ≈200× higher than apo-lycopenals/lycopenone. Digesta apo-8'-, -10'-, -12'-, -14'-, -15-lycopenal, and apo-13-lycopenone concentrations increased with time (p < 0.01), apo-12'-, -14'-, -15-lycopenal, apo-13-lycopenone increase with iron (p < 0.05), and time × iron decrease apo-8'-, -10'-, -12'-, -14'-, -15-lycopenal, apo-13-lycopenone concentrations (p < 0.01). A 1.9-fold decrease in LYC TRL area-under-the-time-concentration-curve is observed after the test meal +FeSO4 versus the test meal -FeSO4 (p = 0.02). Apo-lycopenals were detected in later TRL fractions, and no apo-lycopenols or apo-lycopenoic acids were observed in any samples. CONCLUSIONS: FeSO4 reduces LYC absorption. Apo-lycopenals appear to be absorbed from foods, and not made in significant quantities during digestion.


Assuntos
Digestão , Compostos Ferrosos/administração & dosagem , Absorção Intestinal/efeitos dos fármacos , Licopeno/metabolismo , Adulto , Células CACO-2 , Suplementos Nutricionais , Humanos , Lipoproteínas/sangue , Masculino , Pessoa de Meia-Idade , Triglicerídeos/sangue
8.
Dev Med Child Neurol ; 61(11): 1329-1335, 2019 11.
Artigo em Inglês | MEDLINE | ID: mdl-30854638

RESUMO

AIM: To describe coping strategies in children and adolescents with cerebral palsy (CP), relative to age. METHOD: Patients were prospectively recruited from two paediatric rehabilitation centres in France. The Pediatric Pain Coping Inventory - French and Structured Pain Questionnaire were completed by an experienced professional for each child. RESULTS: One hundred and forty-two children with CP were included (80 males, 62 females; median age 12y; IQR=8-15y). They generally used fewer coping strategies than typically developing children ('Seeks social support and action': 12.47 vs 12.85, p=0.477; 'Cognitive self-instruction': 9.28 vs 10.90, p<0.001; 'Distraction': 4.89 vs 7.00, p<0.001; 'Problem solving': 4.43 vs 5.19, p<0.001). In the CP group, 'Seeks social support and action' decreased with age (p=0.021) and 'Cognitive self-instruction' increased with age (p<0.001). 'Problem solving' and 'Distraction' did not change with age. Coping strategies were influenced by Gross Motor Function Classification System level (p=0.022) and history of surgery (p=0.002). INTERPRETATION: Children with CP generally used fewer coping strategies than typically developing children and tended to rely on social support. Use of active strategies increased with age; however, they appeared later than in typically developing children and were used to a lesser extent. WHAT THIS PAPER ADDS: Children with cerebral palsy (CP) use fewer pain-coping strategies than typically developing children. Children with CP tend to use social support to cope with pain. Children with CP learn more appropriate strategies from previous painful experiences. Active coping strategies appear later but remain underused in children with CP.


ESTRATEGIAS DE AFRONTAMIENTO DEL DOLOR EN NIÑOS CON PARÁLISIS CEREBRAL: OBJETIVO: Describir estrategias de afrontamiento en niños y adolescentes con parálisis cerebral (PC), en relación con la edad. MÉTODO: Los pacientes fueron reclutados prospectivamente de dos centros de rehabilitación pediátrica en Francia. El Inventario de Afrontamiento del Dolor Pediátrico - Cuestionario de Dolor Francés y Estructurado fue completado por un profesional con experiencia para cada niño. RESULTADOS: Se incluyeron 142 niños con PC (80 varones, 62 mujeres; mediana de edad de 12 años; IQR = 8-15 años). En general, los niños con PC utilizaron menos estrategias de afrontamiento que los niños con desarrollo típico ("Busca apoyo social y acción": 12,47 vs 12,85, p = 0,477; "Autoinstrucción cognitiva": 9,28 vs 10,90, p <0,001; "Distracción": 4,89 vs 7,00, p <0,001; "Resolución de problemas": 4,43 vs 5,19, p <0,001). En el grupo de PC, la búsqueda de apoyo y acción social disminuyó con la edad (p = 0,021) y la autoinstrucción cognitiva aumentó con la edad (p <0,001). La "resolución de problemas" y la "distracción" no cambiaron con la edad. Las estrategias de afrontamiento se vieron influenciadas por el nivel del Sistema de Clasificación de la Función Motora Gruesa (p = 0,022) y los antecedentes quirúrgicos (p = 0,002). INTERPRETACIÓN: Los niños con PC generalmente usaron menos estrategias de afrontamiento que los niños con un desarrollo típico y tendían a confiar en el apoyo social. El uso de estrategias activas aumenta con la edad; sin embargo, aparecieron más tarde que en los niños con un desarrollo típico y se utilizaron en menor medida.


ESTRATÉGIAS PARA LIDAR COM A DOR EM CRIANÇAS COM PARALISIA CEREBRAL: OBJETIVO: Descrever estratégias para lidar com a dor em crianças e adolescentes com paralisia cerebral (PC), com relação à sua idade. MÉTODO: Pacientes foram prospectivamente recrutados em dois centros de reabilitação pediátrica na França. O Inventário Pediátrico de Manejo da Dor - Francês e o Questionário Estruturado sobre dor foram completados para cada criança por um profissional com experiência. RESULTADOS: Cento e quarenta e duas crianças com PC foram incluídas (80 do sexo masculino, 62 do sexo feminino; idade mediana 12a; IIQ=8-15a). Elas geralmente usaram menos estratégias para lidar com a dor do que crianças com desenvolvimento típico ('Procura suporte e ação social': 12,47 vs 12,85, p=0=,477; 'Auto-instrução cognitiva': 9,28 vs 10,90, p<0,001; 'Distração: 4,89 vs 7,00, p<0,001; 'Resolução do problema': 4,43 vs 5,19, p<0,001). No grupo com PC, 'Procura suporte e ação social' diminuiu com a idade (p=0,021) e Auto-instrução cognitiva' aumentou com a idade (p<0,001). 'Resolução de problemas' e 'Distração' não mudaram com a idade. As estratégias de manejo da dor foram influenciadas pelo nível do Sistema de Classificação da Função Motora Grossa (p=0,022) e histórico de cirurgia (p=0,002). INTERPRETAÇÃO: Crianças com PC geralmente usam menos estratégias para lidar com a dor do que crianças com desenvolvimento típico, e tendem a depender de suporte social. O uso de estratégias efetivas aumentou com a idade; no entanto, elas aparecem mais tarde do que em crianças com desenvolvimento típico, e são utilizadas em menor escala.


Assuntos
Paralisia Cerebral/psicologia , Dor/complicações , Adaptação Psicológica , Adolescente , Paralisia Cerebral/complicações , Criança , Desenvolvimento Infantil , Feminino , Humanos , Masculino , Apoio Social
9.
Vision Res ; 155: 44-61, 2019 02.
Artigo em Inglês | MEDLINE | ID: mdl-30629974

RESUMO

Letters and words across the visual field can be difficult to identify due to limiting visual factors such as acuity, crowding and position uncertainty. Here, we show that when human readers identify words presented at foveal and para-foveal locations, they act like theoretical observers making optimal use of letter identity and letter position information independently extracted from each letter after an unavoidable and non-optimal letter recognition guess. The novelty of our approach is that we carefully considered foveal and parafoveal letter identity and position uncertainties by measuring crowded letter recognition performance in five subjects without any word context influence. Based on these behavioral measures, lexical access was simulated for each subject by an observer making optimal use of each subject's uncertainties. This free-parameter model was able to predict individual behavioral recognition rates of words presented at different positions across the visual field. Importantly, the model was also able to predict individual mislocation and identity letter errors made during behavioral word recognition. These results reinforce the view that human readers recognize foveal and parafoveal words by parts (the word letters) in a first stage, independently of word context. They also suggest a second step where letter identity and position uncertainties are generated based on letter first guesses and positions. During the third lexical access stage, identity and position uncertainties from each letter look remarkably combined together through an optimal word recognition decision process.


Assuntos
Fóvea Central/fisiologia , Leitura , Reconhecimento Psicológico/fisiologia , Campos Visuais/fisiologia , Adulto , Feminino , Fixação Ocular , Humanos , Masculino , Reconhecimento Visual de Modelos , Tempo de Reação , Adulto Jovem
10.
Orthop Traumatol Surg Res ; 104(8): 1221-1226, 2018 12.
Artigo em Inglês | MEDLINE | ID: mdl-30318469

RESUMO

INTRODUCTION: First metatarsophalangeal (MTP1) joint arthrodesis, described as a safe and effective procedure, has complications that may require surgical revision. These complications are rarely studied. The aim of this study was to determine the incidence and outcomes of revision surgery after MT1 arthrodesis. HYPOTHESIS: The incidence of surgical revision after MTP1 arthrodesis is not insignificant; however, the outcomes are satisfactory. MATERIALS AND METHODS: In this multicenter retrospective study between January 2014 and December 2015, 190 forefoot revisions in patients who had previously undergone MTP1 arthrodesis were included by 8 surgeons. There were no exclusion criteria and all patients had at least 1 year of follow-up. Over the same period, 958 primary MTP1 arthrodesis procedures were performed. RESULTS: The mean time to revision was 4.6±10.9 years. At a mean follow-up of 20.5±7.4 months, 158 cases were available for analysis in 135 women and 20 men who had a mean age of 67.1±10.5 years. These revision procedures were carried out because of discomfort related to the hardware at the arthrodesis site (n=86, 54%), nonunion (n=22, 14%), malunion (n=13, 8%) metatarsalgia or claw toe (n=18, 11%) and first interphalangeal (IP1) joint disorders (n=13, 8%). The mean postoperative scores were 75±13.9 for the AOFAS and 65±19.6 for the SF36 total. In the nonunion cases, removal of the hardware led to better outcomes than repeating the arthrodesis procedure. Osteotomy in the malunion cases healed successfully. In the cases of IP1 osteoarthritis, secondary arthrodesis or arthroplasty led to good outcomes. DISCUSSION: Relative to published results of primary MTP1 arthrodesis, the outcomes in our series of revision MTP1 arthrodesis surgery cases are practically equivalent, thus considered acceptable. LEVEL OF EVIDENCE: IV, Retrospective study.


Assuntos
Artrodese/efeitos adversos , Articulação Metatarsofalângica/cirurgia , Complicações Pós-Operatórias/cirurgia , Reoperação/estatística & dados numéricos , Idoso , Artrodese/instrumentação , Artroplastia , Remoção de Dispositivo , Feminino , Seguimentos , Humanos , Masculino , Metatarsalgia/cirurgia , Pessoa de Meia-Idade , Osteoartrite/cirurgia , Osteotomia , Complicações Pós-Operatórias/etiologia , Estudos Retrospectivos , Fatores de Tempo
11.
Diagnostics (Basel) ; 8(3)2018 Aug 18.
Artigo em Inglês | MEDLINE | ID: mdl-30126213

RESUMO

This paper presents the Wavelia microwave breast imaging system that has been recently installed at the Galway University Hospital, Ireland, for a first-in-human pilot clinical test. Microwave breast imaging has been extensively investigated over the last two decades as an alternative imaging modality that could potentially bring complementary information to state-of-the-art modalities such as X-ray mammography. Following an overview of the main working principles of this technology, the Wavelia imaging system architecture is presented, as are the radar signal processing algorithms that are used in forming the microwave images in which small tumors could be detectable for disease diagnosis. The methodology and specific quality metrics that have been developed to properly evaluate and validate the performance of the imaging system using complex breast phantoms that are scanned at controlled measurement conditions are also presented in the paper. Indicative results from the application of this methodology to the on-site validation of the imaging system after its installation at the hospital for pilot clinical testing are thoroughly presented and discussed. Given that the imaging system is still at the prototype level of development, a rigorous quality assessment and system validation at nominal operating conditions is very important in order to ensure high-quality clinical data collection.

12.
Prenat Diagn ; 38(4): 293-297, 2018 03.
Artigo em Inglês | MEDLINE | ID: mdl-29417606

RESUMO

OBJECTIVES: The objective of our study was to determine the impact of laser therapy for twin-to-twin transfusion syndrome (TTTs) on subsequent pregnancies. METHODS: This was a monocentric retrospective observational study. Women treated by laser fetoscopy for TTTs were asked to answer a postal questionnaire about subsequent pregnancies. The primary outcome was fecundity (number of pregnancies and time to pregnancy). We also assessed pregnancy complications, birth weight, and gestational age at delivery. Pregnancy complications included the following: threatened preterm labor, preeclampsia, placenta accreta, postpartum hemorrhage, and psychological disorders. Our study population was compared with an external control group made up of mothers of monochorionic twins without TTTs. RESULTS: We included 122 cases managed at the Necker Hospital between 2008 and 2012 and 39 controls. The median conception time was longer in the TTTs group (6.4 ± 11.1 versus 2 ± 1.6 months, P = .03). The numbers of live childbirths at the end of those pregnancies were equivalent (77.6% versus 66.7%, P = .56). Birth weight (3317 ± 726 versus 3240 ± 382 g, P = .81) and gestational age at delivery (38.2 ± 6.8 WG versus 39.5 ± 1.2 WG, P = .64) were similar, with no increase of obstetrical complications compared with the control group. DISCUSSION: Twin-to-twin transfusion syndrome and its treatment do not seem to impact subsequent pregnancies.


Assuntos
Transfusão Feto-Fetal/cirurgia , Complicações Pós-Operatórias/epidemiologia , Adulto , Feminino , Fetoscopia , França/epidemiologia , Humanos , Fotocoagulação a Laser , Gravidez , Estudos Retrospectivos
14.
J Pediatr Adolesc Gynecol ; 31(1): 58-61, 2018 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-28838863

RESUMO

BACKGROUND: Congenital arteriovenous malformations (AVMs) are infrequent but represent a serious medical challenge because of their unpredictable progression and high hemodynamic activity. CASE: We report on the treatment of a voluminous vulvar AVM in a 16-year-old girl. After failure of medical therapy, we performed a radical surgical resection with preliminary embolization and flap reconstruction. SUMMARY AND CONCLUSION: A multidisciplinary approach is required for AVM management. Early intervention and complete surgical resection combined with preliminary embolization represents the ideal therapy.


Assuntos
Malformações Arteriovenosas/terapia , Embolização Terapêutica/métodos , Procedimentos de Cirurgia Plástica/métodos , Vulva/patologia , Adolescente , Progressão da Doença , Feminino , Humanos , Resultado do Tratamento
15.
Birth Defects Res ; 109(19): 1586-1595, 2017 Nov 15.
Artigo em Inglês | MEDLINE | ID: mdl-28758373

RESUMO

BACKGROUND: Fetal cerebral ventricular dilatation (CVD) is a common abnormal prenatal finding that often predicts a poor prognosis. The etiology involves both genetic and nongenetic factors with diverse pathogenic mechanisms. We describe the neuropathological features of CVD in a large cohort of fetuses. The goals are to determine the physiopathological mechanisms and etiologies. METHODS: We retrospectively analyzed a series of 130 fetuses examined at the Necker University Hospital following termination of pregnancy between January 2000 and December 2014. Chiari II and Dandy-Walker malformations were excluded from our study population. Karyotype and/or array comparative genomic hybridization were performed in all cases. Targeted Sanger sequencing or next generation sequencing were carried out in 34 and 5 cases, respectively. RESULTS: We distinguished four groups of pathological entities: (1) midbrain/hindbrain patterning defects (54 cases, 42%), mainly related to aqueduct of Sylvius anomalies (atresia or stenosis); (2) cerebral cytoarchitectonic disorders (16 cases, 12%), essentially resulting from arachnoidal neuroglial ectopia; (3) hemorrhagic and perfusion failure (42 cases, 32%); and (4) nonspecific CVD (18 cases, 14%), without apparent obstruction, cortical malformation, or clastic injury. Although the pathogenic mechanisms of CVD were identified in 86% of cases, the causes, both acquired and genetic, were recognized in 21% of cases only. CONCLUSION: The neuropathological analysis is a powerful tool in the diagnosis of the fetal CVD pathogenic mechanisms and to identify homogeneous groups. The paucity of molecular diagnosis, notably in the major groups of midbrain/hindbrain patterning defects and hemorrhagic and perfusion failure, highlights the needs of future research to improve our current knowledge on CVD causes. Birth Defects Research 109:1586-1595, 2017. © 2017 Wiley Periodicals, Inc.


Assuntos
Hidrocefalia/diagnóstico , Hidrocefalia/etiologia , Hidrocefalia/patologia , Agenesia do Corpo Caloso/patologia , Malformação de Arnold-Chiari/diagnóstico , Encéfalo/anormalidades , Aqueduto do Mesencéfalo/patologia , Ventrículos Cerebrais/diagnóstico por imagem , Hibridização Genômica Comparativa , Síndrome de Dandy-Walker/diagnóstico , Dilatação , Feminino , Feto/patologia , França , Humanos , Mesencéfalo/patologia , Malformações do Sistema Nervoso/patologia , Gravidez , Cuidado Pré-Natal , Estudos Retrospectivos , Rombencéfalo/patologia , Ultrassonografia Pré-Natal/métodos
16.
Eur J Obstet Gynecol Reprod Biol ; 209: 100-104, 2017 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-26482730

RESUMO

OBJECTIVES: The sonographic features of endometriomas and their natural history during pregnancy remain poorly known. The objective of our study was to report our experience concerning the diagnosis, spontaneous progression and management of endometriomas during pregnancy. STUDY DESIGN: A retrospective observational study in 46 patients (53 cysts) presenting with an ovarian endometrioma diagnosed during ultrasound examination at the first trimester of pregnancy. Sonographic findings (according to the criteria of the International Ovarian Tumor Analysis (IOTA) group and how they changed for each cyst during pregnancy and postpartum were reviewed, together with cyst management. The median follow-up was 4 years [IQR: 3-6]. Median age at diagnosis was 31 years [IQR: 27-35]. RESULTS: Among the 53 cysts identified as "endometriomas" on the first-trimester ultrasound examination, 49 (92%) were described like "cyst fluid with ground-glass echogenicity". Fifty-two cysts (98%) had a maximum diameter<100mm, only one cyst (2%) presented papillary projection and 5 cysts (9%) were multiloculated. During the second-trimester ultrasound monitoring of these cysts, of the 33 cysts that we monitored, 8 (24%) increased in size, 11 (34%) decreased in size, 5 (15%) disappeared and 9 (27%) did not change. During the third-trimester ultrasound monitoring of these cysts, of the 13 cysts that we monitored, 5 (39%) increased in size, 5 (39%) decreased in size, 2 (15%) disappeared and 1 (7%) did not change. All children (48 newborns) were born alive at a median gestational age of 39 weeks [IQR=39-40]. Only 10 cysts (19%) required surgical treatment. In all cases, surgery consisted of cystectomy. Two cysts were operated on during pregnancy (between 14 and 17 weeks of gestation) because of symptoms of adnexal torsion, 3 during cesarean section, and 5 postpartum. Four of the 10 (40%) cysts operated on were histopathologically "endometriomas", and one of them was decidualized. Four cysts were mucinous cystadenomas, one was a serous cystadenoma and one cyst was a dermoid cyst. CONCLUSION: This study underscores the difficulty of diagnosing endometriomas during pregnancy and the absolute necessity of surgical removal when ultrasonographic findings are doubtful.


Assuntos
Endometriose/diagnóstico por imagem , Cistos Ovarianos/diagnóstico por imagem , Doenças Ovarianas/diagnóstico por imagem , Complicações na Gravidez/diagnóstico por imagem , Ultrassonografia Pré-Natal , Adulto , Endometriose/patologia , Endometriose/cirurgia , Feminino , Humanos , Cistos Ovarianos/patologia , Cistos Ovarianos/cirurgia , Doenças Ovarianas/patologia , Doenças Ovarianas/cirurgia , Gravidez , Complicações na Gravidez/patologia , Complicações na Gravidez/cirurgia , Estudos Retrospectivos , Resultado do Tratamento
17.
Oncotarget ; 8(1): 536-551, 2017 Jan 03.
Artigo em Inglês | MEDLINE | ID: mdl-27602750

RESUMO

Pancreatic adenocarcinoma (PDAC) is a dismal disease. The lack of specific symptoms still leads to a delay in diagnosis followed by death within months for most patients. Exon 11 of the bile salt-dependent lipase (BSDL) gene encoding variable number of tandem repeated (VNTR) sequences has been involved in pancreatic pathologies. We hypothesized that BSDL VNTR sequences may be mutated in PDAC. The amplification of BSDL VNTR from RNA extracted from pancreatic SOJ-6 cells allowed us to identify a BSDL amplicon in which a cytosine residue is inserted in a VNTR sequence. This insertion gives rise to a premature stop codon, resulting in a truncated protein and to a modification of the C-terminal amino-acid sequence; that is PRAAHG instead of PAVIRF. We produced antibodies directed against these sequences and examined pancreatic tissues from patients with PDAC and PanIN. Albeit all tissues were positive to anti-PAVIRF antibodies, 72.2% of patient tissues gave positive reaction with anti-PRAAHG antibodies, particularly in dysplastic areas of the tumor. Neoplastic cells with ductal differentiation were not reactive to anti-PRAAHG antibodies. Some 70% of PanIN tissues were also reactive to anti-PRAAHG antibodies, suggesting that the C insertion occurs early during pancreatic carcinogenesis. Data suggest that anti-PRAAHG antibodies were uniquely reactive with a short isoform of BSDL specifically expressed in pre-neoplastic lesions of the pancreas. The detection of truncated BSDL reactive to antibodies against the PRAAHG C-terminal sequence in pancreatic juice or in pancreatic biopsies may be a new tool in the early diagnosis of PDAC.


Assuntos
Expressão Gênica , Variação Genética , Neoplasias Pancreáticas/genética , Neoplasias Pancreáticas/patologia , Lesões Pré-Cancerosas/genética , Esterol Esterase/genética , Sequência de Aminoácidos , Animais , Linhagem Celular , Humanos , Imuno-Histoquímica , Camundongos , Mutação , Neoplasias Pancreáticas/diagnóstico , Lesões Pré-Cancerosas/diagnóstico , Lesões Pré-Cancerosas/patologia , Proteínas Proto-Oncogênicas p21(ras)/genética , RNA Mensageiro/genética , RNA Mensageiro/metabolismo , Análise de Sequência de DNA , Esterol Esterase/química , Esterol Esterase/metabolismo , Neoplasias Pancreáticas
18.
Exp Neurol ; 288: 11-24, 2017 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-27983993

RESUMO

Although it is well established that bulbo-spinal serotonergic projections contribute to pain control mechanisms, whether they exert anti- or pro-nociceptive modulations is still a matter of debate. In order to reappraise the role of 5-HT in descending controls, we used RNA interference to selectively inhibit 5-HT synthesis in B3 neurons and assess resulting changes in nociception. Rats were injected into the bulbar B3 group with a recombinant lentiviral vector, LV-shTPH2, encoding RNA interfering with tryptophan hydroxylase 2 expression. Together with the long term disappearance of this enzyme in the whole rostro-caudal extent of B3 group, 5-HT was markedly depleted selectively in the dorsal horn at all levels of the spinal cord. In contrast, immunolabeling of the 5-HT transporter was unaffected by LV-shTPH2 injection, indicating the preservation of serotonergic fibers integrity. Whereas mechanical and thermal nociceptive thresholds were unchanged by 5-HT depletion, marked reductions in intraplantar formalin (but not carrageenin)-evoked nocifensive responses, and, in contrast, significant increases in mechanical and thermal hyperalgesia evoked by sciatic nerve ligation were noted in LV-shTPH2-injected rats versus controls. Parallel changes in c-Fos immunolabeling within the dorsal horn confirmed that bulbo-spinal serotonergic projections modulate pain signaling under these various conditions. These results suggest that serotonergic neurons of the B3 group are only moderately concerned, if any, by acute nociception but exert modulatory influences under pain sensitizing conditions. The opposite changes in formalin injected- versus sciatic nerve ligated rats might be related to the implication of different receptors in 5-HT-mediated modulation of inflammatory versus neuropathic pain.


Assuntos
Inflamação/patologia , Vias Neurais/metabolismo , Neuralgia/patologia , Nociceptividade/fisiologia , Serotonina/metabolismo , Medula Espinal/patologia , Animais , Carragenina/toxicidade , Modelos Animais de Doenças , Proteínas de Fluorescência Verde/genética , Proteínas de Fluorescência Verde/metabolismo , Inflamação/induzido quimicamente , Lentivirus/genética , Lentivirus/metabolismo , Masculino , Neuralgia/complicações , Medição da Dor , Limiar da Dor/efeitos dos fármacos , Limiar da Dor/fisiologia , Proteínas Proto-Oncogênicas c-fos/genética , Proteínas Proto-Oncogênicas c-fos/metabolismo , Interferência de RNA/fisiologia , Ratos , Ratos Sprague-Dawley , Serotonina/genética , Medula Espinal/metabolismo , Transdução Genética , Triptofano Hidroxilase/genética , Triptofano Hidroxilase/metabolismo
19.
Endosc Ultrasound ; 5(2): 108-10, 2016.
Artigo em Inglês | MEDLINE | ID: mdl-27080609

RESUMO

BACKGROUND AND OBJECTIVE: Pelvic abscesses are a well-known complication of intestinal diseases or abdominal surgery. We report our case series concerning transrectal drainage by endoscopic ultrasound (EUS). METHODS: Between January 2010 and august 2014, seven patients received transrectal drainage by endoscopic ultrasound (EUS) were selected and analyzed. RESULTS: Two pigtails was positioned under fluoroscopic and EUS control. The success rate was 100% and complication rate was 0%. The median time of hospitalization was 10 days [range 4-25]. CONCLUSIONS: The technique appears to be safe and feasible in all etiologies. In our experience, we can considerate transrectal drainage by EUS like a first-line technique in experienced hands.

20.
Brain Struct Funct ; 221(1): 535-61, 2016 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-25403254

RESUMO

Serotoninergic innervation of the central nervous system is provided by hindbrain raphe nuclei (B1-B9). The extent to which each raphe subdivision has distinct topographic organization of their projections is still unclear. We provide a comprehensive description of the main targets of the rostral serotonin (5-HT) raphe subgroups (B5-B9) in the mouse brain. Adeno-associated viruses that conditionally express GFP under the control of the 5-HT transporter promoter were used to label small groups of 5-HT neurons in the dorsal (B7d), ventral (B7v), lateral (B7l), and caudal (B6) subcomponents of the dorsal raphe (DR) nucleus as well as in the rostral and caudal parts of the median raphe (MR) nucleus (B8 and B5, respectively), and in the supralemniscal (B9) cell group. We illustrate the distinctive and largely non-overlapping projection areas of these cell groups: for instance, DR (B7) projects to basal parts of the forebrain, such as the amygdala, whereas MR (B8) is the main 5-HT source to the hippocampus, septum, and mesopontine tegmental nuclei. Distinct subsets of B7 have preferential brain targets: B7v is the main source of 5-HT for the cortex and amygdala while B7d innervates the hypothalamus. We reveal for the first time the target areas of the B9 cell group, demonstrating projections to the caudate, prefrontal cortex, substantia nigra, locus coeruleus and to the raphe cell groups. The broad topographic organization of the different raphe subnuclei is likely to underlie the different functional roles in which 5-HT has been implicated in the brain. The present mapping study could serve as the basis for genetically driven specific targeting of the different subcomponents of the mouse raphe system.


Assuntos
Tronco Encefálico/fisiologia , Núcleos da Rafe do Mesencéfalo/fisiologia , Técnicas de Rastreamento Neuroanatômico/métodos , Prosencéfalo/fisiologia , Neurônios Serotoninérgicos/fisiologia , Regiões 5' não Traduzidas , Animais , Tronco Encefálico/citologia , Tronco Encefálico/metabolismo , Integrases/genética , Camundongos Endogâmicos C57BL , Camundongos Transgênicos , Núcleos da Rafe do Mesencéfalo/citologia , Núcleos da Rafe do Mesencéfalo/metabolismo , Vias Neurais/metabolismo , Vias Neurais/fisiologia , Prosencéfalo/citologia , Prosencéfalo/metabolismo , Neurônios Serotoninérgicos/metabolismo , Serotonina/metabolismo , Proteínas da Membrana Plasmática de Transporte de Serotonina/genética
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA