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Pesquisa : A08.800.800.720.450.760.640 [Categoria DeCS]
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[PMID]:28468849
[Au] Autor:Lyle MA; Nichols TR; Kajtaz E; Maas H
[Ad] Endereço:School of Biological Sciences, Georgia Institute of Technology, Atlanta, Georgia mlyle@ap.gatech.edu.
[Ti] Título:Musculotendon adaptations and preservation of spinal reflex pathways following agonist-to-antagonist tendon transfer.
[So] Source:Physiol Rep;5(9), 2017 May.
[Is] ISSN:2051-817X
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Tendon transfer surgeries are performed to restore lost motor function, but outcomes are variable, particularly those involving agonist-to-antagonist muscles. Here, we evaluated the possibility that lack of proprioceptive feedback reorganization and musculotendon adaptations could influence outcomes. Plantaris-to-tibialis anterior tendon transfer along with resection of the distal third of the tibialis anterior muscle belly was performed in eight cats. Four cats had concurrent transection of the deep peroneal nerve. After 15-20 weeks, intermuscular length and force-dependent sensory feedback were examined between hindlimb muscles, and the integrity of the tendon-to-tendon connection and musculotendon adaptations were evaluated. Three of the transferred tendons tore. A common finding was the formation of new tendinous connections, which often inserted near the original location of insertion on the skeleton (e.g., connections from plantaris toward calcaneus and from tibialis anterior toward first metatarsal). The newly formed tissue connections are expected to compromise the mechanical action of the transferred muscle. We found no evidence of changes in intermuscular reflexes between transferred plantaris muscle and synergists/antagonists whether the tendon-to-tendon connection remained intact or tore, indicating no spinal reflex reorganization. We propose the lack of spinal reflex reorganization could contribute the transferred muscle not adopting the activation patterns of the host muscle. Taken together, these findings suggest that musculotendon plasticity and lack of spinal reflex circuitry reorganization could limit functional outcomes after tendon transfer surgery. Surgical planning and outcomes assessments after tendon transfer surgery should consider potential consequences of the transferred muscle's intermuscular spinal circuit actions.
[Mh] Termos MeSH primário: Retroalimentação Fisiológica
Músculo Esquelético/fisiologia
Reflexo
Medula Espinal/fisiologia
Tendões/fisiologia
[Mh] Termos MeSH secundário: Animais
Gatos
Vias Eferentes/fisiologia
Feminino
Músculo Esquelético/inervação
Nervo Fibular/fisiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180305
[Lr] Data última revisão:
180305
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170505
[St] Status:MEDLINE


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[PMID]:28681708
[Au] Autor:Rizzi M; Radovanovic D; Santus P; Airoldi A; Frassanito F; Vanni S; Cristiano A; Masala IF; Sarzi-Puttini P
[Ad] Endereço:Respiratory Unit, Centre for Sleep and Respiratory Disorders, University Hospital Luigi Sacco, Milan, Italy. rizzi.maurizio@asst-fbf-sacco.it.
[Ti] Título:Influence of autonomic nervous system dysfunction in the genesis of sleep disorders in fibromyalgia patients.
[So] Source:Clin Exp Rheumatol;35 Suppl 105(3):74-80, 2017 May-Jun.
[Is] ISSN:0392-856X
[Cp] País de publicação:Italy
[La] Idioma:eng
[Ab] Resumo:OBJECTIVES: Fibromyalgia (FM) is characterised by chronic musculoskeletal pain, autonomic nervous system (ANS) dysfunction, and disturbed sleep. The aim of this study was to evaluate the influence of ANS dysfunction on the genesis of sleep disorders. METHODS: Fifty female FM patients and 45 healthy subjects matched for age, gender and body mass index underwent a clinical, polysomnographic and autonomic profile evaluation at rest and during a tilt test in order to determine muscle sympathetic nerve activity (MSNA), plasma catecholamine levels, and the spectral indices of cardiac sympathetic (LFRR) and vagal (HFRR) modulation computed by means of the spectrum analysis of RR during sleep. RESULTS: The FM patients had a higher heart rate (HR), more MSNA and a higher LF/HF ratio, and lower HFRR values at rest (p<0.05), and showed no increase in MSNA, a smaller decrease in HFRR, and an excessive rate of syncope (46%) during the tilt test. Their sleep was less efficient (p<0.01), and they had a higher proportion of stage 1 non-REM sleep (p<0.001), experienced many arousals and periodic limb movements (PLMs) per hour of sleep (p<0.001) and a high proportion of periodic breathing (PB%) (p<0.0001). Their cyclic alternating pattern (CAP) rate was significantly increased (p<0.001). During sleep, they had a higher HR and LF/HF ratio, and a lower HFRR (p<0.001). The number of tender points, CAP rate, PB% and PLMI correlated positively with HR and the LF/HF ratio, and negatively with HFRR during sleep. CONCLUSIONS: Our findings seem to show that sleep causes the same effects as a stressful test in FM patients. A vicious circle is created during sleep: pain increases sympathetic cardiovascular activation and reduces sleep efficiency, thus causing lighter sleep, a higher CAP rate, more arousals, a higher PLMI, and increasing the occurrence of PB, which gives rise to abnormal cardiovascular neural control and exaggerated pain sensitivity.
[Mh] Termos MeSH primário: Fibromialgia/fisiopatologia
Transtornos do Sono-Vigília/fisiopatologia
Sistema Nervoso Simpático/fisiopatologia
Nervo Vago/fisiopatologia
[Mh] Termos MeSH secundário: Adulto
Sistema Nervoso Autônomo/fisiopatologia
Pressão Sanguínea
Estudos de Casos e Controles
Catecolaminas/sangue
Eletrocardiografia
Feminino
Fibromialgia/sangue
Fibromialgia/complicações
Seres Humanos
Meia-Idade
Condução Nervosa
Nervo Fibular/fisiopatologia
Polissonografia
Taxa Respiratória
Transtornos do Sono-Vigília/sangue
Transtornos do Sono-Vigília/complicações
Análise Espectral
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Catecholamines)
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170831
[Lr] Data última revisão:
170831
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170707
[St] Status:MEDLINE


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[PMID]:28552040
[Au] Autor:Cho BK; Park KJ; Choi SM; Im SH; SooHoo NF
[Ad] Endereço:1 Department of Orthopaedic Surgery, College of Medicine, Chungbuk National University, Cheongju, Korea.
[Ti] Título:Functional Outcomes Following Anterior Transfer of the Tibialis Posterior Tendon for Foot Drop Secondary to Peroneal Nerve Palsy.
[So] Source:Foot Ankle Int;38(6):627-633, 2017 Jun.
[Is] ISSN:1944-7876
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: This retrospective comparative study reports the practical function in daily and sports activities after tibialis posterior tendon transfer for foot drop secondary to peroneal nerve palsy. METHODS: Seventeen patients were followed for a minimum of 3 years after tibialis posterior tendon transfer for foot drop secondary to peroneal nerve palsy. Matched controls were used to evaluate the level of functional restoration. Functional evaluations included American Orthopaedic Foot & Ankle Society (AOFAS) scores, Foot and Ankle Outcome Score (FAOS), Foot and Ankle Ability Measure (FAAM) scores, and isokinetic muscle strength test. Radiographic evaluation for the changes of postoperative foot alignment included Meary angle, calcaneal pitch angle, hindfoot alignment angle, and navicular height. RESULTS: Mean AOFAS, FAOS, and FAAM scores significantly improved from 65.1 to 86.2, 55.6 to 87.8, and 45.7 to 84.4 points at final follow-up, respectively. However, all functional evaluation scores were significantly lower as compared to the control group ( P < .001). Mean peak torque (60 degrees/sec) of ankle dorsiflexors, plantarflexors, invertors, and evertors at final follow-up were 7.1 (deficit ratio of 65.4%), 39.2, 9.8, and 7.3 Nm, respectively. These muscle strengths were significantly lower compared to the control group ( P < .001). No significant differences in radiographic measurements were found, and no patients presented with a postoperative flat foot deformity. One patient (5.9%) needed an ankle-foot orthosis for occupational activity. CONCLUSIONS: Anterior transfer of the tibialis posterior tendon appears to be an effective surgical option for paralytic foot drop secondary to peroneal nerve palsy. Although restoration of dorsiflexion strength postoperatively was about 33% of the normal ankle, function in daily activities and gait ability were satisfactorily improved. In addition, tibialis posterior tendon transfer demonstrated no definitive radiographic or clinical progression to postoperative flat foot deformity at intermediate-term follow-up. LEVEL OF EVIDENCE: Level IV, retrospective case series.
[Mh] Termos MeSH primário: Articulação do Tornozelo/fisiopatologia
Pé Chato/fisiopatologia
Nervo Fibular/fisiologia
Neuropatias Fibulares/fisiopatologia
Transferência Tendinosa/métodos
Tendões/fisiologia
[Mh] Termos MeSH secundário: Seres Humanos
Aparelhos Ortopédicos/normas
Estudos Retrospectivos
Resultado do Tratamento
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1711
[Cu] Atualização por classe:171113
[Lr] Data última revisão:
171113
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170530
[St] Status:MEDLINE
[do] DOI:10.1177/1071100717695508


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[PMID]:28438166
[Au] Autor:Ursu D; Nedic A; Urbanchek M; Cederna P; Gillespie RB
[Ad] Endereço:Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI, USA. danursu@umich.edu.
[Ti] Título:Adjacent regenerative peripheral nerve interfaces produce phase-antagonist signals during voluntary walking in rats.
[So] Source:J Neuroeng Rehabil;14(1):33, 2017 Apr 24.
[Is] ISSN:1743-0003
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Regenerative Peripheral Nerve Interfaces (RPNIs) are neurotized muscle grafts intended to produce electromyographic signals suitable for motorized prosthesis control. Two RPNIs producing independent agonist/antagonist signals are required for each control axis; however, it is unknown whether signals from adjacent RPNIs are independent. The purpose of this work was to determine signaling characteristics from two adjacent RPNIs, the first neurotized by a foot dorsi-flexor nerve and the second neurotized by a foot plantar-flexor nerve in a rodent model. METHODS: Two Control group rats had electrodes implanted onto the soleus (tibial nerve) and extensor digitorum longus (peroneal nerve) muscles in the left hind limb. Two Dual-RPNI group rats had two separate muscles grafted to the left thigh and each implanted with electrodes: the extensor digitorum longus was neurotized with a transected fascicle from the tibial nerve, and the tibialis anterior was implanted with a transected peroneal nerve. Four months post-surgery, rats walked on a treadmill, were videographed, and electromyographic signals were recorded. Amplitude and periodicity of all signals relative to gait period were quantified. To facilitate comparisons across groups, electromyographic signals were expressed as a percent of total stepping cycle activity for each stance and swing gait phase. Independence between peroneal and tibial nerve activations were assessed by statistical comparisons between groups during stance and swing. RESULTS: Electromyographic activity for Control and Dual-RPNI rats displayed alternating activation patterns coinciding with stance and swing. Significant signal amplitude differences between the peroneal and tibial nerves were found in both the Control and Dual-RPNI groups. Non-inferiority tests performed on Dual-RPNI group signal confidence intervals showed that activation was equivalent to the Control group in all but the peroneal RPNI construct during stance. The similar electromyographic activity obtained for Control and RPNI suggests the latter constructs activate independently during both stance and swing, and contain minimal crosstalk. CONCLUSIONS: In-vivo myoelectric RPNI activity encodes neural activation patterns associated with gait. Adjacent RPNIs neurotized with agonist/antagonist nerves display activity amplitudes similar to Control during voluntary walking. The distinct and expected activation patterns indicate the RPNI may provide independent signaling in humans, suitable for motorized prosthesis control.
[Mh] Termos MeSH primário: Regeneração Nervosa/fisiologia
Nervos Periféricos/fisiologia
Caminhada/fisiologia
[Mh] Termos MeSH secundário: Animais
Eletrodos Implantados
Eletromiografia
/inervação
/fisiologia
Marcha/fisiologia
Membro Posterior/inervação
Membro Posterior/fisiologia
Masculino
Músculo Esquelético/inervação
Músculo Esquelético/fisiologia
Nervo Fibular/fisiologia
Ratos
Ratos Endogâmicos F344
Nervo Tibial/fisiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171023
[Lr] Data última revisão:
171023
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170426
[St] Status:MEDLINE
[do] DOI:10.1186/s12984-017-0243-0


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[PMID]:28434966
[Au] Autor:D'Amico RS; Winfree CJ
[Ad] Endereço:Department of Neurological Surgery, Columbia University Medical Center, New York, New York, USA. Electronic address: rsd9005@columbia.edu.
[Ti] Título:Diagnostic Biopsy of a Motor Branch of the Superficial Peroneal Nerve to the Peroneus Longus: A Convenient Alternative for Motor Nerve Biopsy.
[So] Source:World Neurosurg;103:526-530, 2017 Jul.
[Is] ISSN:1878-8769
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Motor nerve biopsy is performed to supplement clinical, serologic, and imaging data in the workup of neuropathies of unknown origin, especially when motor neuron disease is suspected. METHODS: We describe a surgical technique for biopsy of a motor branch of the superficial peroneal nerve innervating the peroneus longus muscle. RESULTS: Three patients presented with weakness concerning for motor neuropathy and underwent biopsy of a motor branch of the superficial peroneal nerve innervating the peroneus longus muscle. The surgical technique is described in detail. Biopsied tissue was sufficient for pathologic diagnosis. No patient suffered postsurgical sensory or motor deficits related to the procedure. No patient suffered postsurgical complications. CONCLUSIONS: Biopsy of the motor branch of the superficial peroneal nerve to the peroneus longus is a safe and effective alternative for motor nerve biopsy and can be easily combined with peroneus longus muscle biopsy.
[Mh] Termos MeSH primário: Biópsia/métodos
Doenças do Sistema Nervoso Periférico/patologia
Nervo Fibular/patologia
[Mh] Termos MeSH secundário: Adulto
Idoso
Idoso de 80 Anos ou mais
Feminino
Seres Humanos
Masculino
Doenças do Sistema Nervoso Periférico/diagnóstico
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170925
[Lr] Data última revisão:
170925
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170425
[St] Status:MEDLINE


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[PMID]:28434472
[Au] Autor:Alsubiheen A; Petrofsky J; Daher N; Lohman E; Balbas E; Lee H
[Ad] Endereço:Department of Physical Therapy, Loma Linda University, Loma Linda, CA, USA; Department of Physical Therapy, King Saud University, Riyadh, Saudi Arabia.
[Ti] Título:Tai Chi with mental imagery theory improves soleus H-reflex and nerve conduction velocity in patients with type 2 diabetes.
[So] Source:Complement Ther Med;31:59-64, 2017 Apr.
[Is] ISSN:1873-6963
[Cp] País de publicação:Scotland
[La] Idioma:eng
[Ab] Resumo:OBJECTIVES: Diabetes is a disease that leads to damage to the peripheral nerves which may eventually cause balance instability. The purpose of this study was to determine the effect of 8 weeks of Tai Chi (TC) training combined with mental imagery (MI) on soleus H-reflex and nerve conduction velocity (NCV) of the sural and superficial peroneal nerves in people with diabetes. DESIGNS: Quasi-experimental, one group pretest-posttest design. SETTING: Human Research Laboratory. INTERVENTIONS: A series of Yang style of Tai Chi classes with mental imagery, one hour, two sessions per week for 8 weeks was done. MAIN OUTCOME MEASURES: The Activities-specific Balance Confidence (ABC) Scale, Functional Reach Test (FRT), and One Leg Standing Test (OLS) were measured as functional data. Hoffman reflex (H-reflex), and sural and superficial peroneal NCV were measured as main outcomes. RESULTS: All functional outcomes measures were significantly improved after the intervention (p<0.01). In the H-reflex, there was a significant increase in amplitude (µV) after completing 8 weeks of TC exercise (p=0.02). In the sural nerve, the velocity (p=0.01), amplitude (p=0.01), and latency (p=0.01) were significantly improved between pre and post-test. In the superficial peroneal nerve, significant improvements were observed in (p=0.02) and latency (p=0.01), but not in amplitude (µV) (p>0.05). CONCLUSIONS: Combining TC intervention with MI theory showed an improvement in the H-reflex and NCV tests, which suggests improved balance and walking stability.
[Mh] Termos MeSH primário: Diabetes Mellitus Tipo 2/terapia
Imagens (Psicoterapia)
Músculo Esquelético/inervação
Condução Nervosa/fisiologia
Tai Ji
[Mh] Termos MeSH secundário: Idoso
Feminino
Seres Humanos
Masculino
Meia-Idade
Músculo Esquelético/fisiologia
Nervo Fibular/fisiologia
Estudos Prospectivos
Nervo Sural/fisiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1706
[Cu] Atualização por classe:170626
[Lr] Data última revisão:
170626
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170425
[St] Status:MEDLINE


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[PMID]:28375940
[Au] Autor:Kavcic M; Koritnik B; Krzan M; Velikonja O; Prelog T; Stefanovic M; Debeljak M; Jazbec J
[Ad] Endereço:*Department of Pediatric Hematology and Oncology §Department of Neurology ∥Unit of Special Laboratory Diagnostics, University Children's Hospital of Ljubljana †Institute of Clinical Neurophysiology, UMC Ljubljana Departments of ‡Neurology ¶Pediatrics, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia.
[Ti] Título:Electrophysiological Studies to Detect Peripheral Neuropathy in Children Treated With Vincristine.
[So] Source:J Pediatr Hematol Oncol;39(4):266-271, 2017 May.
[Is] ISSN:1536-3678
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Patients treated with vincristine predictably develop peripheral neuropathy. The aim of our study was to investigate the pattern of vincristine-induced neuropathy in children by nerve conduction studies and somatosensory-evoked potentials (SSEPs). We included data from 39 children who received vincristine for various pediatric malignancies, and we performed initial and follow-up (after a minimum of 4 doses of vincristine 1.5 mg/m) conduction studies in 27 patients and SSEPs studies in 34 patients. On follow-up the most prevalent symptoms were paresthesias (44%) and constipation (22%), and the most common neurological sign was impaired myotatic reflexes (89%). Performing nerve conduction studies we found that significant reductions were measured for distal amplitudes, distal latencies were prolonged, and conduction velocities were relatively preserved. The most pronounced differences in amplitudes and distal latencies were measured in the peroneal nerves. Changes of SSEPs studies were subtle. Vincristine-induced neuropathy presents with primary axonal involvement and is more pronounced on motor neurons. We found a trend between higher age and higher dose and the degree of neuropathy in our group of patients.
[Mh] Termos MeSH primário: Eletrofisiologia/métodos
Potenciais Somatossensoriais Evocados
Doenças do Sistema Nervoso Periférico/induzido quimicamente
Vincristina/efeitos adversos
[Mh] Termos MeSH secundário: Adolescente
Criança
Pré-Escolar
Feminino
Seres Humanos
Masculino
Neoplasias/complicações
Neoplasias/tratamento farmacológico
Condução Nervosa/efeitos dos fármacos
Doenças do Sistema Nervoso Periférico/fisiopatologia
Nervo Fibular/fisiopatologia
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
5J49Q6B70F (Vincristine)
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171031
[Lr] Data última revisão:
171031
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170405
[St] Status:MEDLINE
[do] DOI:10.1097/MPH.0000000000000825


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[PMID]:28330967
[Au] Autor:Cui J; Boehmer J; Blaha C; Sinoway LI
[Ad] Endereço:Penn State Heart and Vascular Institute, Penn State Hershey, Milton S. Hershey Medical Center, Hershey, Pennsylvania.
[Ti] Título:Muscle sympathetic nerve activity response to heat stress is attenuated in chronic heart failure patients.
[So] Source:Am J Physiol Regul Integr Comp Physiol;312(6):R873-R882, 2017 Jun 01.
[Is] ISSN:1522-1490
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Heat stress evokes significant increases in muscle sympathetic nerve activity (MSNA) in healthy individuals. The MSNA response to heat stress in chronic heart failure (CHF) is unknown. We hypothesized that the MSNA response to heat stress is attenuated in CHF. Passive whole body heating was applied with water-perfused suits in 13 patients (61 ± 2 yr) with stable class II-III CHF, 12 age-matched (62 ± 2 yr) healthy subjects, and 14 young (24 ± 1 yr) healthy subjects. Mild heating (i.e., increases in skin temperature ΔTsk ~2-4°C, internal temperature ΔTcore <0.3°C) significantly decreased MSNA in CHF patients; however, it did not significantly alter the MSNA in the age-matched and young healthy subjects. Heat stress (i.e., ΔTsk ~4°C and ΔTcore ~0.6°C) raised MSNA in the age-matched (32.9 ± 3.2 to 45.6 ± 4.2 bursts/min; < 0.001) and young (14.3 ± 1.7 to 26.3 ± 2.4 bursts/min; < 0.001) controls, but not in CHF (46.2 ± 5.3 to 50.5 ± 5.3 bursts/min; = 0.06). The MSNA increase by the heat stress in CHF (Δ4.2 ± 2.0 bursts/min) was significantly less than those seen in the age-matched (Δ12.8 ± 1.7 bursts/min, < 0.05) and young (Δ12.0 ± 2.7 bursts/min, < 0.05) control groups. These data suggest that the MSNA response to heat stress is attenuated in CHF patients. We speculate that the attenuated MSNA response to heat stress may contribute to impaired cardiovascular adjustments in CHF in a hot environment.
[Mh] Termos MeSH primário: Insuficiência Cardíaca/fisiopatologia
Transtornos de Estresse por Calor/fisiopatologia
Músculo Esquelético/inervação
Nervo Fibular/fisiopatologia
Sistema Nervoso Simpático/fisiopatologia
[Mh] Termos MeSH secundário: Potenciais de Ação
Adulto
Fatores Etários
Barorreflexo
Regulação da Temperatura Corporal
Estudos de Casos e Controles
Doença Crônica
Insuficiência Cardíaca/diagnóstico
Transtornos de Estresse por Calor/diagnóstico
Seres Humanos
Hipertermia Induzida
Masculino
Meia-Idade
Temperatura Cutânea
Fatores de Tempo
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170807
[Lr] Data última revisão:
170807
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170324
[St] Status:MEDLINE
[do] DOI:10.1152/ajpregu.00355.2016


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[PMID]:28271375
[Au] Autor:Arakawa T; Kondo T; Tsutsumi M; Watanabe Y; Terashima T; Miki A
[Ad] Endereço:Department of Rehabilitation Sciences, Kobe University Graduate School of Health Sciences, 7-10-2, Tomogaoka, Suma-ku, Kobe, 654-0142, Japan. arakawa@people.kobe-u.ac.jp.
[Ti] Título:Multiple muscular variations including tenuissimus and tensor fasciae suralis muscles in the posterior thigh of a human case.
[So] Source:Anat Sci Int;92(4):581-584, 2017 Sep.
[Is] ISSN:1447-073X
[Cp] País de publicação:Japan
[La] Idioma:eng
[Ab] Resumo:The posterior thigh muscles on the right side of an 81-year-old male cadaver had multiple variations, denoted muscles I-IV. Muscle I originated from the posteromedial surface of the greater trochanter and divided into two muscle bellies. These muscle bellies fused with the long head of the biceps femoris and were innervated by two branches from muscular branches of the semitendinosus and the long head of the biceps. Muscle II separated from the medial surface of the long head of the biceps in the proximal third and fused with the semitendinosus in the distal fourth. Muscle III was a biventer muscle. Its superior belly separated from the medial surface of the long head of the biceps in the distal third. The inferior belly of this muscle fused with the posterior surface of the crural fascia and was innervated by the tibial nerve. Muscle IV separated from the adductor magnus muscle, passed between the long and short heads of the biceps, fused with the inferior belly of muscle III, and was innervated by the muscular branch of the common fibular nerve to the short head of the biceps. Peeling off the epineurium of the muscular branches to the inferior belly of muscle III showed that this nerve fascicle divided from the common trunk with branches to the gastrocnemius and soleus muscles. The inferior bellies of muscle III and muscle IV were thought to be equivalent to the tensor fasciae suralis and tenuissimus muscles, respectively.
[Mh] Termos MeSH primário: Variação Anatômica
Cadáver
Músculo Esquelético/anatomia & histologia
Coxa da Perna/anatomia & histologia
[Mh] Termos MeSH secundário: Idoso de 80 Anos ou mais
Seres Humanos
Masculino
Músculo Esquelético/inervação
Nervo Fibular/anatomia & histologia
Nervo Tibial/anatomia & histologia
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170928
[Lr] Data última revisão:
170928
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170309
[St] Status:MEDLINE
[do] DOI:10.1007/s12565-017-0396-8


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[PMID]:28235235
[Au] Autor:Kfuri M; Schatzker J; Castiglia MT; Giordano V; Fogagnolo F; Stannard JP
[Ad] Endereço:Department of Orthopedics, Missouri Orthopedic Institute, University of Missouri, Columbia, Missouri.
[Ti] Título:Extended Anterolateral Approach for Complex Lateral Tibial Plateau Fractures.
[So] Source:J Knee Surg;30(3):204-211, 2017 Mar.
[Is] ISSN:1938-2480
[Cp] País de publicação:Germany
[La] Idioma:eng
[Ab] Resumo:Complex fractures of the lateral tibial plateau may extend to the posterior rim of the knee and to the tibial spines. Displaced fractures of the posterolateral corner of the tibial plateau may result in joint incongruity and instability, especially with the knee in flexion. Anatomical reduction of the joint surface and containment of the tibial rim are the primary goals of the treatment in such cases. Dedicated surgical approaches including dissection of the peroneal nerve, sometimes in association with an osteotomy of the fibular head are typically used to address these injuries. Some techniques require special positioning of the patient on the operative table. Anatomical studies of the knee allowed us to conclude that an osteotomy of the lateral epicondyle of the femur may be a natural extension of the standard anterolateral approach to the tibial plateau. The main advantage of this approach is the broad exposure of the lateral joint surface, allowing its anatomical reduction. It does not violate the proximal tibiofibular joint or pose a risk to the peroneal nerve. The main limitation is the lack of visualization of the posterior metaphysis of the tibia, preventing the application of a buttress plate parallel to the plane of fracture split. To overcome this limitation, we describe a method to support the posterior tibial plateau rim, in cases of bicondylar tibial plateau fractures, combining the extended anterolateral with the posteromedial approach. For selected cases, with a significant compromise of the posterolateral and anterolateral quadrants of the tibial plateau, including the tibial spines, the extended anterolateral approach may be complemented by a planned detachment of the anterior horn of the lateral meniscus. In such variant, a complete exposure of the entire surface of the lateral tibial plateau and tibial spines is achievable, assuring optimal conditions for an anatomical reduction of the articular surface.
[Mh] Termos MeSH primário: Fixação Interna de Fraturas/métodos
Fraturas da Tíbia/cirurgia
[Mh] Termos MeSH secundário: Placas Ósseas
Dissecação
Fêmur/cirurgia
Fíbula/cirurgia
Seres Humanos
Articulação do Joelho/cirurgia
Masculino
Meniscos Tibiais/cirurgia
Osteotomia
Posicionamento do Paciente
Nervo Fibular
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Em] Mês de entrada:1705
[Cu] Atualização por classe:170531
[Lr] Data última revisão:
170531
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170225
[St] Status:MEDLINE
[do] DOI:10.1055/s-0037-1598077



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