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Excellent conversion efficiencies of over 20 % and facile cell production have placed hybrid perovskites at the forefront of novel solar cell materials, with CH3 NH3 PbI3 being an archetypal compound. The question why CH3 NH3 PbI3 has such extraordinary characteristics, particularly a very efficient power conversion from absorbed light to electrical power, is hotly debated, with ferroelectricity being a promising candidate. This does, however, require the crystal structure to be non-centrosymmetric and we herein present crystallographic evidence as to how the symmetry breaking occurs on a crystallographic and, therefore, long-range level. Although the molecular cation CH3 NH3 + is intrinsically polar, it is heavily disordered and this cannot be the sole reason for the ferroelectricity. We show that it, nonetheless, plays an important role, as it distorts the neighboring iodide positions from their centrosymmetric positions.
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BACKGROUND: Depressive disorders are associated with a high burden of suffering and significantly reduce the well-being and the self-esteem of affected patients. Psychotherapy is one of the main treatment options for depressive disorders. OBJECTIVE: The aim of this article is to present the current evidence for antidepressive psychotherapeutic treatments. MATERIAL AND METHODS: During the revision of the German S3- and National Disease Management Guideline (NDMG) on unipolar depression in 2015, a comprehensive and systematic evidence search was conducted. The results of this search along with a systematic update are summarized. RESULTS: The most intensively investigated psychotherapeutic method is cognitive behavioral therapy (CBT), which proved to be effective in many trials. Evidence also exists for psychodynamic psychotherapy and interpersonal therapy (IPT), followed by systemic therapy and client-centered psychotherapy; however, the evidence is less robust. CONCLUSION: Psychotherapy alone or in combination with pharmacotherapy was shown to be an effective treatment option. Psychotherapy represents a key element in the treatment of depressive disorders.
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Transtorno Depressivo/terapia , Medicina Baseada em Evidências , Psicoterapia/métodos , Antidepressivos/uso terapêutico , Terapia Cognitivo-Comportamental/métodos , Terapia Combinada , Transtorno Depressivo/diagnóstico , Transtorno Depressivo/psicologia , Diagnóstico Diferencial , Seguimentos , Humanos , Relações Interpessoais , Psicoterapia Psicodinâmica/métodos , Qualidade de Vida/psicologia , Autoimagem , Ajustamento SocialRESUMO
BACKGROUND: Psychotherapy has been shown to be an effective treatment option for depressive disorders; however, its effectiveness varies depending on patient and therapist characteristics and the individual form of the depressive disorder. OBJECTIVES: The aim of this article is to present the current evidence for psychotherapeutic antidepressive treatments for patients with chronic and treatment-resistant depression as well as for patients with mental and somatic comorbidities. MATERIAL AND METHODS: During the revision of the currently valid German S3- and National Disease Management Guideline (NDMG) on unipolar depression published in 2015, a comprehensive and systematic evidence search including psychotherapy for specific patient groups was conducted. The results of this search along with a systematic update are summarized. RESULTS: Psychotherapy has been shown to be effective in reducing depressive symptoms in patients suffering from chronic and treatment-resistant depression and in patients with mental and somatic comorbidities. The evidence is insufficient particularly for patients with mental comorbidities. CONCLUSION: Based on the current evidence and clinical expertise the NDMG recommends psychotherapy alone or in combination with pharmacotherapy to treat most of these depressive patient groups. Evidence gaps were identified, which highlight the need for further research.
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Transtorno Depressivo/terapia , Medicina Baseada em Evidências , Psicoterapia/métodos , Doença Crônica , Comorbidade , Transtorno Depressivo/diagnóstico , Transtorno Depressivo/psicologia , Transtorno Depressivo Resistente a Tratamento/diagnóstico , Transtorno Depressivo Resistente a Tratamento/psicologia , Transtorno Depressivo Resistente a Tratamento/terapia , Fidelidade a Diretrizes , Humanos , Transtornos Mentais/diagnóstico , Transtornos Mentais/psicologia , Transtornos Mentais/terapia , Avaliação de Processos e Resultados em Cuidados de SaúdeRESUMO
Clinical pharmacists play an important role in improving drug safety on hospital wards. However, little is known about the impact of pharmacy interns. The objective of our study was, therefore, to investigate the impact of hospital ward-based pharmacy interns on drug safety. This study was conducted as part of the project "P-STAT 2: Pharmacy interns on the ward" on 14 surgical wards in seven hospitals in Germany and a total of 27 pharmacy interns participated. All patients admitted to the participating wards from 1st June 2008 until 31st October 2008 and from 1st December 2008 till 30th April 2009 were included. The pharmacy interns were involved in medication reconciliation, and identifying, resolving, and preventing drug-related problems (DRPs) using the classification system APS-Doc. A total of 6,551 patients were included. Patients received on average (+/- SD) 4.4 +/- 3.9 drugs. The pharmacy interns detected a total of 4,085 DRPs and on average 0.6 +/- 1.2 DRPs per patient. Most frequently detected DRPs were potential drug-drug interactions (n = 591, 14%), missing drug strength, when different strengths were available (n = 373, 9%), and incomplete medication record (n = 296, 7%). The pharmacy interns conducted an intervention for 98% (n = 4,011) of all DRPs. According to their documentation, 74% of the DRPs (n = 3,038) were solved. Drugs which were most often related with DRPs were simvastatin, diclofenac, and ibuprofen. This is the very first study exploring the potential impact of pharmacy interns on drug safety on surgical wards in Europe. Pharmacy interns can play an important role to improve drug safety on hospital wards.
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Internato não Médico , Farmacêuticos , Serviço de Farmácia Hospitalar , Adulto , Sistemas de Notificação de Reações Adversas a Medicamentos , Idoso , Interpretação Estatística de Dados , Interações Medicamentosas , Monitoramento de Medicamentos , Efeitos Colaterais e Reações Adversas Relacionados a Medicamentos , Feminino , Alemanha , Departamentos Hospitalares , Humanos , Legislação Farmacêutica , Masculino , Pessoa de Meia-Idade , Segurança , Recursos Humanos , Adulto JovemRESUMO
The present work shows results on elemental distribution analyses in Cu(In,Ga)Se2 thin films for solar cells performed by use of wavelength-dispersive and energy-dispersive X-ray spectrometry (EDX) in a scanning electron microscope, EDX in a transmission electron microscope, X-ray photoelectron, angle-dependent soft X-ray emission, secondary ion-mass (SIMS), time-of-flight SIMS, sputtered neutral mass, glow-discharge optical emission and glow-discharge mass, Auger electron, and Rutherford backscattering spectrometry, by use of scanning Auger electron microscopy, Raman depth profiling, and Raman mapping, as well as by use of elastic recoil detection analysis, grazing-incidence X-ray and electron backscatter diffraction, and grazing-incidence X-ray fluorescence analysis. The Cu(In,Ga)Se2 thin films used for the present comparison were produced during the same identical deposition run and exhibit thicknesses of about 2 µm. The analysis techniques were compared with respect to their spatial and depth resolutions, measuring speeds, availabilities, and detection limits.
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OBJECTIVE: To investigate the feasibility of switching overweight schizophrenic patients to aripiprazole and to assess the impact of 12 months of aripiprazole treatment on weight in routine practice. METHOD: This was a non-controlled cohort study in overweight schizophrenic patients. Data were collected before treatment with aripiprazole was started and at 12-month follow-up. RESULTS: A total of 53 patients were included; of these 55% continued using aripiprazole for 12 months. Aripiprazole treatment for 12 months (P = 0.027) and stopping clozapine or olanzapine treatment (P = 0.038) predicted weight loss (> or =3 kg). Patients receiving aripiprazole monotherapy (n = 16, mean -3.0 kg) had similar weight loss than patients receiving aripiprazole in addition to another antipsychotic drug (n = 13, mean -4.4 kg). CONCLUSION: In routine practice once aripiprazole treatment was started, more than half of the patients remained on aripiprazole and most of them lost weight. Adding aripiprazole to clozapine gave similar weight loss as monotherapy with aripiprazole.
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Antipsicóticos/uso terapêutico , Sobrepeso/epidemiologia , Piperazinas/uso terapêutico , Quinolonas/uso terapêutico , Esquizofrenia/tratamento farmacológico , Esquizofrenia/epidemiologia , Adulto , Antipsicóticos/administração & dosagem , Aripiprazol , Benzodiazepinas/administração & dosagem , Clozapina/administração & dosagem , Estudos de Coortes , Estudos de Viabilidade , Feminino , Seguimentos , Humanos , Masculino , Países Baixos/epidemiologia , Olanzapina , Sobrepeso/prevenção & controleRESUMO
OBJECTIVE: To analyze prescribing patterns of chronic psychiatric patients living in sheltered housing facilities, to identify the extent of polypharmacy and to estimate associated risks in this patient group. METHODS: In a retrospective cross-sectional study the prescription data of 323 chronic psychiatric patients (average age 48.5 years) living in sheltered housing facilities in Rotterdam, The Netherlands, were analyzed. Prescription data were obtained from pharmacy-dispensing records. RESULTS: Patients received on average 4.6 drugs (95% CI, 4.3-4.9). The most frequently prescribed drugs were as expected antipsychotics, benzodiazepines and antimuscarinic drugs. Overall 25% (n=81) of patients received two or more antipsychotic drugs. A high proportion of patients (38%, n=124) received one benzodiazepine, and 15% (n=50) received two or more benzodiazepines. CONCLUSION: Patients in our study received a worryingly high number of drugs, and a quarter of the population was subject to antipsychotic polypharmacy. This increases the risk that drug-drug interactions, adverse drug reactions and noncompliance occur. Our study indicates potentially low quality of prescribing and shows the need for reviewing and special monitoring of pharmacotherapy in this patient group.
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Transtornos Mentais/tratamento farmacológico , Padrões de Prática Médica , Instituições Residenciais , Estudos Transversais , Quimioterapia Combinada , Uso de Medicamentos , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Estudos RetrospectivosRESUMO
Site-specific RNA modification with methyl cyclopropene moieties is performed by T7 in vitro transcription. An existing unnatural base is functionalized with a cyclopropene moiety and used in transcription reactions to produce site-specifically cyclopropene-modified RNA molecules. The posttranscriptional inverse electron demand Diels-Alder cycloaddition reaction with a selected tetrazine-fluorophore conjugate is demonstrated.
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Ciclopropanos/química , Corantes Fluorescentes/química , RNA/metabolismo , Transcrição Gênica , Reação de Cicloadição , RNA Polimerases Dirigidas por DNA/metabolismo , Oligonucleotídeos/biossíntese , Oligonucleotídeos/química , RNA/química , Espectrometria de Massas por Ionização por Electrospray , Proteínas Virais/metabolismoRESUMO
The layered cobaltite Sr(2)CaYCo(4)O(10.5) with formal average cobalt oxidation state close to 3+ has been studied as functions of both temperature and pressure up to 4 GPa by neutron powder diffraction (NPD). The crystal structure is shown to have tetragonal symmetry (space group I4/mmm; 2a(p) × 2a(p) × 4a(p) superstructure), and the magnetic structure at ambient pressure is found to be G-type antiferromagnetic with TN close to 310 K. The magnetic moments within the CoO(6) octahedral layers and anion-deficient CoO(4.5) layers are 1.2µ(B) and 2.8µ(B), respectively. At 25 K, and applied pressure of 3.5 GPa is sufficient to completely suppress a long-range magnetic order. This result is interpreted in terms of a pressure-induced high-to-low spin state crossover of the Co(3+) ions.
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The authors present the embryology and comparative anatomy of the frontal sinuses pertinent to a discussion of the systemic factors which influence frontal sinus pneumatization. There are at least three important factors involved: 1) craniofacial configuration, 2) thickness of the frontal bone, 3) growth hormones. Various clinical entities which illustrate these points are discussed.
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Seio Frontal/anatomia & histologia , Animais , Doenças Ósseas/patologia , Osso e Ossos/anatomia & histologia , Face/anormalidades , Face/anatomia & histologia , Seio Frontal/diagnóstico por imagem , Seio Frontal/embriologia , Seio Frontal/crescimento & desenvolvimento , Genética , Transtornos do Crescimento/patologia , Humanos , Mamíferos , Radiografia , Crânio/anatomia & histologiaRESUMO
OBJECTIVE: To determine whether two techniques of vacuum extraction delivery-continuous vacuum and intermittent vacuum-have different effects on maternal-fetal outcomes. METHODS: Patients to be delivered by vacuum extraction were randomized to receive continuous or intermittent vacuum. All deliveries were performed using the M-cup. In the continuous group, the level of vacuum was brought to 600 mmHg between contractions and was maintained at that level until delivery of the infant. Active efforts were made to prevent fetal loss-of-station between contractions by maintaining traction. In the intermittent group, the level of vacuum was decreased to 100 mmHg between contractions and no effort was made to prevent fetal loss-of-station. RESULTS: A total of 322 patients were randomized: 164 in the continuous arm and 158 in the intermittent group. The continuous method did not effect delivery faster (continuous 167 +/- 175 seconds versus intermittent 167 +/- 150 seconds; P = .97), nor did it lead to a reduction in method failures (continuous 12, intermittent nine; P = .72). The intermittent method did not appear to offer any benefit to the neonate regarding cephalhematoma formation (continuous 20, intermittent 17; P = .686) or any other measure of neonatal outcome. Maternal lacerations and episiotomy extensions were evenly distributed between the groups. Overall, the efficacy rate of the vacuum cup was 93.5% and the cephalhematoma rate was 11.5%. CONCLUSION: No differences in maternal or fetal outcome could be demonstrated if the level of vacuum was decreased between contractions or if an effort was made to prevent fetal loss-of-station. The clinical results obtained in this trial using the M-cup are similar to the published results with the stainless-steel Malmstrom cup.
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Resultado da Gravidez , Vácuo-Extração/efeitos adversos , Vácuo-Extração/métodos , Adulto , Índice de Apgar , Traumatismos do Nascimento/etiologia , Traumatismos Craniocerebrais/etiologia , Feminino , Hematoma/etiologia , Humanos , Tempo de Internação , Gravidez , Falha de Tratamento , Vácuo-Extração/instrumentaçãoRESUMO
Investigated the degree to which chronic, life-threatening illness and its treatment interfere with continued involvements in valued activities and interests--that is, illness intrusiveness--and its impact on quality of life in end-stage renal disease. Data were collected on two occasions separated by a lag of 6 weeks. Mixed analyses of variance indicated that life domains were affected differentially across treatments. Perceived illness intrusiveness correlated significantly with treatment time requirements, uremic symptoms, intercurrent nonrenal illnesses, fatigue, and difficulties in daily activities. Significant quality-of-life differences were observed across treatment modalities for satisfaction/happiness and pessimism/illness-related concerns but not for depression/distress. Perceived illness intrusiveness correlated significantly with each of these quality-of-life measures. Results were stable over time. These findings substantiate the construct of illness intrusiveness as a mediator of the psychosocial impact of chronic, life-threatening illness.
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Falência Renal Crônica/psicologia , Transplante de Rim/psicologia , Diálise Peritoneal Ambulatorial Contínua/psicologia , Qualidade de Vida , Diálise Renal/psicologia , Papel do Doente , Adaptação Psicológica , Adulto , Feminino , Humanos , Falência Renal Crônica/terapia , MasculinoRESUMO
BACKGROUND: In addition to mastitis, lactational breast abscesses, and several other benign conditions unique to the puerperium, pregnant women may develop any of the other breast problems seen in the nonpregnant female population. This review deals with the diagnosis and management of breast problems during pregnancy and lactation. DATA SOURCES: A literature review of the evaluation, technique of biopsy, and treatment of cancer in pregnant women was conducted. CONCLUSIONS: The most common problems fall into a spectrum of infectious complications from milk stasis or mastitis to frank abscess formation. Galactoceles, noninfected milk-filled cysts, present as tender masses; aspiration is both diagnostic and curative. Benign fibroadenomas occasionally enlarge significantly or infarct during pregnancy. A physiologic nipple discharge is common during pregnancy, and may be bloody. Rare cases of massive breast hypertrophy during pregnancy have been reported. The mortality of breast cancer during pregnancy is related to delay: compared stage-for-stage with nonpregnant controls, the prognosis is similar. As a general rule, the cancer should be treated surgically and the pregnancy may be allowed to progress.
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Doenças Mamárias , Lactação , Complicações na Gravidez , Abscesso/diagnóstico , Abscesso/terapia , Doenças Mamárias/diagnóstico , Doenças Mamárias/terapia , Neoplasias da Mama/diagnóstico , Neoplasias da Mama/terapia , Feminino , Humanos , Gravidez , Complicações na Gravidez/diagnóstico , Complicações na Gravidez/terapiaRESUMO
BACKGROUND: Animal studies have demonstrated fetal acidosis during carbon dioxide pneumoperitoneum. This finding suggests a potential adverse effect of CO2 pneumoperitoneum on fetal outcome in humans. PATIENTS AND METHODS: We reviewed our recent experience with laparoscopic surgery performed under general anesthesia and with the use of CO2 pneumoperitoneum, in pregnant women with appendicitis or cholecystitis. We compared these women's charts and pregnancy outcomes with those of pregnant women who underwent formal laparotomy during the same period of time. RESULTS: Seven pregnant patients underwent laparoscopic surgery, and there were 4 fetal deaths among them (3 during the first postoperative week, and another 4 weeks postoperatively). Five pregnant patients underwent formal laparotomy, of whom 4 subsequently progressed to term and 1 was lost to follow-up. CONCLUSIONS: Our recent experiences together with the available animal data suggest that caution should be used when considering nonobstetrical laparoscopic surgery in pregnant women. This experience suggests that additional clinical and laboratory investigations may be indicated to evaluate fetal risk associated with such surgery.
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Laparoscopia , Complicações na Gravidez/cirurgia , Aborto Espontâneo/etiologia , Doença Aguda , Anestesia Geral , Apendicectomia/métodos , Apendicite/cirurgia , Colecistectomia Laparoscópica/efeitos adversos , Colecistite/cirurgia , Colelitíase/complicações , Colelitíase/cirurgia , Feminino , Morte Fetal/etiologia , Humanos , Recém-Nascido , Laparoscopia/efeitos adversos , Laparotomia , Pancreatite/etiologia , Pancreatite/cirurgia , Pneumoperitônio Artificial , Gravidez , Resultado da Gravidez , Fatores de RiscoRESUMO
Analysis of the individual components of the vertebrae permits the radiologist to identify and understand the fundamental physio-pathologic growth mechanisms affecting shape, size and architecture which operated during development. The achievement of this goal is facilitated by systematically paying attention to changes of the vertebral end-plates, anterior and posterior aspects of the vertebral body, the vertebral rim, neurocentral junction and interpedicular distance. The dynamic changes noted in follow-up studies of the spine in certain dysplasias may reveal the developmental history of the vertebral complex. The dimension of time is an important factor, which the radiologist has a unique opportunity to exploit. Vertebral configuration permits radiological analysis and diagnosis.
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Doenças do Desenvolvimento Ósseo/diagnóstico por imagem , Doenças da Coluna Vertebral/diagnóstico por imagem , Adolescente , Vértebras Cervicais/diagnóstico por imagem , Criança , Pré-Escolar , Feminino , Humanos , Lactente , Recém-Nascido , Vértebras Lombares/diagnóstico por imagem , Masculino , Mucopolissacaridose IV/diagnóstico por imagem , Radiografia , Vértebras Torácicas/diagnóstico por imagem , Fatores de TempoRESUMO
Psychiatric emergencies can arise during pregnancy and the puerperium. When faced with a gravida presenting with the symptoms of an acute psychiatric illness, the obstetrician must consider the possibilities of organic disorders and substance abuse before initiating psychotropic therapy with the consulting psychiatrist. Generally, patients with psychiatric illness have difficulty caring for themselves and hospitalization may be indicated at least initially. Emotional support, a quiet environment, and psychotherapy are often the most important aspects of treatment. Suicide gestures should always be taken seriously. Immediate psychiatric consultation is imperative. Finally, anyone caring for pregnant women should be aware of the possibility of domestic violence. Pregnant women are unlikely to volunteer information about an abusive situation. Detection hinges on willingness of the physician to ask probing questions.
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Transtornos Mentais/terapia , Período Pós-Parto , Complicações na Gravidez/terapia , Psicotrópicos/uso terapêutico , Transtornos de Ansiedade/complicações , Transtornos de Ansiedade/terapia , Violência Doméstica , Emergências , Feminino , Humanos , Hiperêmese Gravídica/complicações , Hiperêmese Gravídica/terapia , Transtornos do Humor/complicações , Transtornos do Humor/terapia , Gravidez , Transtornos Psicóticos/complicações , Transtornos Psicóticos/terapia , Sialorreia/complicações , Sialorreia/terapiaRESUMO
OBJECTIVE: To evaluate the differences in sleep of women throughout pregnancy compared with those of nonpregnant control subjects. STUDY DESIGN: Four pregnant women were studied longitudinally during their pregnancy using inpatient polysomnography. Measurements included electroencephalography, electrocardiography, and continuous-pulse oximetry. Four healthy nonpregnant women matched for age and weight were used as control subjects. The total sleep time was recorded, and percentages of each sleep stage were generated. RESULTS: Qualitative differences in sleep between pregnancy patients and control subjects were evident. Control subjects displayed a normal appearance of slow-wave sleep in stages 3 and 4 (delta sleep). When pregnant patients did display delta sleep, it appeared abnormal secondary to extensive alpha-wave intrusion. Even when including this abnormal delta sleep in a quantitative comparison, the pregnant patients had a significantly shorter percentage of total sleep time in delta sleep (4.9+/-1.9% vs 21.9+/-6.0%, p=0.03). CONCLUSION: Sleep in pregnancy is characterized by loss of normal slow-wave sleep. Thus, sleep stages 3 and 4 are shortened during pregnancy. This sleep alteration is persistent when followed longitudinally during pregnancy.
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Gravidez/fisiologia , Sono/fisiologia , Adulto , Estudos de Casos e Controles , Eletroencefalografia , Feminino , Humanos , Estudos Longitudinais , Polissonografia , Fases do Sono/fisiologiaRESUMO
OBJECTIVE: To evaluate the effect of emergency cerclage on perinatal outcome in patients with incompetent cervix. STUDY DESIGN: In this descriptive retrospective study, the charts of all patients admitted from 1985 to 1992 with a diagnosis of incompetent cervix and cervical dilatation > or = 2 cm were reviewed. Cervical dilatation at the time of cerclage placement, subsequent pregnancy duration and neonatal outcome were analyzed. Statistical analysis was performed using the paired Student t test. RESULTS: During the eight-year period, 42 patients were admitted with a diagnosis of incompetent cervix, cervical dilatation > or = 2 cm, and underwent emergency cerclage. Cerclage resulted in a median (range) continuation of pregnancy of 30 (2-102) days. In 20 of these patients the membranes were not bulging through the external cervical os, and pregnancy was extended a median of 50 (30-102) days. The remaining 22 patients presented with membranes bulging into the vagina, and emergency cervical cerclage resulted in a median pregnancy extension of 16 (2-98) days. Parturients with bulging membranes were then analyzed according to cervical dilatation. Cerclage success was significantly lower when attempted at a cervical dilation > or = 4 cm. Median pregnancy duration was 6 (2-15) versus 21 (5-98) days in patients with cervical dilatation < 4 cm. CONCLUSION: The results of this study support emergency cerclage in patients without bulging membranes. The data do not support the use of emergency cervical cerclage in patients with bulging membranes and dilatation > or = 4 cm. In those patients, the use of cerclage should be individualized.
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Ruptura Prematura de Membranas Fetais/prevenção & controle , Obstetrícia/métodos , Complicações na Gravidez/cirurgia , Técnicas de Sutura/normas , Incompetência do Colo do Útero/cirurgia , Dilatação Patológica/cirurgia , Feminino , Ruptura Prematura de Membranas Fetais/cirurgia , Monitorização Fetal , Humanos , Obstetrícia/normas , Gravidez , Resultado da Gravidez , Estudos Retrospectivos , Estatística como AssuntoRESUMO
Laser lithotripsy is a new method of treating symptomatic urolithiasis. The pulsed dye laser lithotripter uses coumarin to deliver energy with a visible peak wave-length of 504 nm. This energy is transmitted to the calculus through an optical fiber, and mechanical disruption of the stone occurs when multiple pulses of laser energy are applied to the surface of the stone. The method is safe and effective for impacted ureteral calculi. A woman at 20 weeks of pregnancy experienced intractable pain secondary to a 9-mm, distal ureteral stone. She was treated successfully with endoscopic fragmentation using pulsed dye laser lithotripsy.
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Litotripsia a Laser , Complicações na Gravidez/terapia , Cálculos Urinários/terapia , Adulto , Feminino , Humanos , GravidezRESUMO
BACKGROUND: Beside the quality of a guideline, the implementation in daily practice is of particular concern. The aim of this study was to determine the degree of implementation of the interdisciplinary S3 guideline on diagnostics and treatment of prostate cancer. METHODS: A questionnaire containing questions regarding the implementation of the S3 guideline was sent to 119 private practice urologists and 37 urologists working in hospitals. Comparisons were made with the χ(2) test. RESULTS: The response rate was 63%. Of the responding urologists, 93% reported that they used the guideline in the daily practice, while 95% considered the strong recommendations of the guideline as treatment standard. Urologists working in a hospital recommended the guideline less frequently to their patients as source of information (30 versus 58%, p = 0.0283), but more frequently to other physicians (95 versus 72%, p = 0.0294), than private practice urologists did. CONCLUSION: The interdisciplinary S3 guideline on diagnostics and treatment of prostate cancer is used by the vast majority of urologists in their daily practice. The strong guideline recommendations are considered as treatment standard. A more compact presentation and a propagation of the guideline outside the urologic community might improve implementation of the guideline.