Daniella de Oliveira - Academia.edu (original) (raw)

Papers by Daniella de Oliveira

Research paper thumbnail of Isolation of verbascoside and validation of method to standardize the crude extract of the aerial parts of Buddleja stachyoides Cham. & Schltdl. (Scrophulariaceae)

Química Nova, 2014

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Research paper thumbnail of Avalia��o postural da coluna vertebral em escolares surdos de 7-21 anos

Fisioterapia Em Movimento, 2010

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Research paper thumbnail of Effect of low frequency transcutaneous electrical nerve stimulation of TE5 (waiguan) and PC6 (neiguan) acupoints on cold-induced pain

Journal of Physical Therapy Science, 2016

[Purpose] This study assesse the effect of low frequency transcutaneous electrical nerve stimulat... more [Purpose] This study assesse the effect of low frequency transcutaneous electrical nerve stimulation (TENS) of theTE5 (waiguan) and PC6 (neiguan) acupoints on cold-induced pain. [Subjects and Methods] Forty-eight subjects were divided by convenience into three groups: TENS with electrodes of 1 cm(2) area, TENS with electrodes of area 15 cm(2) and a placebo group. The study consisted of three phases: cold-induced pain without electroanalgesia, cold-induced pain with electroanalgesia or placebo, and cold-induced pain post-electroanalgesia or placebo. [Results] Acupuncture like TENS increased the pain threshold latency during treatment (45.7 ± 11.7s) compared to pre-treatment (30.9 ± 8.9s) in the TENS group with 1 cm(2) electrodes. In the TENS group with 15 cm(2) electrodes, the pain threshold latency increased at post-treatment (36.2 ± 12.9s) compared to pre-treatment (25.5 ± 7.4s). The placebo group showed no significant changes. The group with 1 cm(2) electrodes showed a significantly higher pain threshold latency (45.7 ± 11.7s) than the other two groups. At post-treatment, the pain threshold latencies of both the 1 cm(2) (39.4 ± 11.5s) and 15 cm(2) (36.2 ± 12.9s) TENS group were higher than that of the placebo group (22.4 ± 7.4s). [Conclusion] Acupuncture like TENS applied to PC6 and TE5 acupoints increased the pain threshold latency. The pain intensity was reduced by TENS with an electrode area of 1 cm(2).

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Research paper thumbnail of Alice in Wonderland Syndrome, Burning Mouth Syndrome, Cold Stimulus Headache, and HaNDL: Narrative Review

Headache, 2015

Unusual headache syndromes are not as infrequent in clinical practice as was generally believed. ... more Unusual headache syndromes are not as infrequent in clinical practice as was generally believed. About three fourths of the classified headache disorders found in the ICHD-II can be considered rare. The aim of this narrative review was to perform a literature review of the pathophysiology, clinical presentation, diagnostic criteria, and treatment of the following unusual headache disorders: Alice in Wonderland syndrome, burning mouth syndrome, cold stimulus headache, and the syndrome of transient headache and neurologic deficits with cerebrospinal fluid lymphocytosis. A literature review was performed using PubMed for each of the abovementioned headache disorders. The unusual headache syndromes as a distinct group of disorders are not as infrequent in clinical practice as was generally believed. Some of them, albeit considered as unusual, may occur with relative frequency, such as cold stimulus headache and burning mouth syndrome.

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Research paper thumbnail of The Frequent Unusual Headache Syndromes: A Proposed Classification Based on Lifetime Prevalence

Headache: The Journal of Head and Face Pain, 2015

There is no agreement on a single cutoff point or prevalence for regarding a given disease as rar... more There is no agreement on a single cutoff point or prevalence for regarding a given disease as rare. The concept of what is a rare headache disorder is even less clear and the spectrum from a very frequent, frequent, occasional to rare headache syndrome is yet to be established. An attempt has been made to estimate the lifetime prevalence of each of the headache subtypes classified in the ICHD-II. Using the ICHD-II, 199 different headache subtypes were identified. The following classification was made according to the estimated lifetime prevalence of each headache disorder: very frequent (prevalence >10%); frequent (between 1 and 10%); occasional (between 0.07 and 1%); and unusual or rare (<0.07%). One hundred and fifty-four of 199 (77%) were categorized as unusual headache disorders, 7/199 (4%) as very frequent, 9/199 (5%) as frequent, and 29/199 (15%) as occasional forms of headache disorder. The unusual headache syndromes do not appear to be as infrequent in clinical practice as has been generally believed. About three-fourths of the classified headache disorders found in the ICHD-II can be considered as rare. This narrative review article may be regarded as an introduction to the concept of unusual headaches and a proposed classification of all headaches (at least those listed in the ICHD-II).

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Research paper thumbnail of Tension-type headache and migraine in employees of an institution of superior education: degree of disability

Objetivo: Objetivo: Objetivo: Objetivo: Objetivo: Estimar a frequência das cefaleias do tipo tens... more Objetivo: Objetivo: Objetivo: Objetivo: Objetivo: Estimar a frequência das cefaleias do tipo tensional (CTT) e migrânea em funcionários de uma instituição de ensi-no superior, avaliando o grau de incapacidade. Métodos: Métodos: Métodos: Métodos: Métodos: O estudo foi realizado com 95 funcionários voluntários (40 mu-lheres), com idade entre 16 e 55 anos (31±10 anos). Foi utilizado um questionário sobre as características clínicas da cefaleia, baseado nos critérios da ICHD II-2004 e os questio-nários de MIDAS e HIT-6. R R R R Resultados: esultados: esultados: esultados: esultados: A frequência de cefaleia, nos últimos três meses, foi de 78,9% (75/95). Houve uma correlação significativa entre a intensidade da dor referi-da pelos indivíduos e o escore obtido tanto no HIT-6 quanto no MIDAS. CTT foi diagnosticada em 39 funcionários [15/40 (38,5%) das mulheres e 24/35 (61,5%) dos homens; p=0,006χ²] e a migrânea foi referida por 36 funcionários [25/ 40 (69,4%) das mulheres e 11/35 (30,6%) d...

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Research paper thumbnail of Analysis of dimensions, activation and median frequency of cervical flexor muscles in young women with migraine or tension-type headache

Brazilian Journal of Physical Therapy, 2015

Central and peripheral mechanisms may be involved in migraine and tension-type headache pathogene... more Central and peripheral mechanisms may be involved in migraine and tension-type headache pathogenesis, however the role of muscle disorders in their pathophysiological mechanisms remains unclear. To assess the association between the presence of migraine or tension-type headache and changes in longus colli muscle dimensions and sternocleidomastoid muscle activity. An observational study with 48 women comparing the following groups: migraine (n=21), tension-type headache (n=16), and control (n=11). The cross-sectional area, lateral and anteroposterior dimensions, and shape ratio of the longus colli muscle were measured using ultrasound. The activation of the sternocleidomastoid muscle was assessed by signal amplitude and the decline in median frequency using surface electromyographic analysis. The dimensions of the longus colli muscle did not differ between groups (p>0.05). Post-test analysis showed lower sternocleidomastoid muscle activation on both sides, at the onset of contraction, in the group with tension-type headache when compared to the control group {right sternocleidomastoid [tension-type headache: 0.39 (0.30-0.49); control: 0.58 (0.42-0.76); p=0.026] and left sternocleidomastoid [tension-type headache: 0.39 (0.31-0.48); control: 0.60 (0.42-0.79); p=0.039], Tukey's post hoc test}. There was no difference between the three groups in sternocleidomastoid muscle activation, on both sides, at the end of contraction (p>0.05). Intergroup analysis showed no difference in the rate of decline in median frequency (p>0.05). The group with tension-type headache exhibited less activation at the onset of sternocleidomastoid muscle contraction. No association was observed between the presence of headache and alterations in longus colli muscle dimensions, median frequency, and sternocleidomastoid muscle activation at the end of contraction.

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Research paper thumbnail of Brain trauma and other injuries in high level karate athletes

Neurobiologia

RESUMO Objetivo: Determinar os tipos mais frequentes de lesões em atletas de alto nível no karatê... more RESUMO Objetivo: Determinar os tipos mais frequentes de lesões em atletas de alto nível no karatê. Método: Foram entrevistados 102 atletas (44 mulheres) que participaram do XV Campeonato Sulamericano de Karatê em Recife – Pernambuco – Brazil. Os atletas preencheram um questionário contendo informações sobre idade, sexo tipo e local das lesões prévias e o período total de treino. Resultados: A média de idade (anos) dos atletas foi de 21±7 para homens e 20±6 para mulheres. O percentual de lesões no grupo estudado foi de 77,5%, sem diferença estatística entre os gêneros (77,6% homens e 72,3% mulheres; p=0,9701, X 2). As lesões foram mais frequentes nos membros inferiores (55,9%) seguida pelos membros superiores (28,4%). Traumas na cabeça corresponderam a 55,9%, distribuídos em concussão cerebral (12,7%), fratura de nariz (10,8%), contusão na face sem fratura (15,7%), luxação temporomandibular (2,3%) foi observada apenas nas mulheres, enquanto fratura de mandíbula (3,4%), fratura de den...

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Research paper thumbnail of Qualidade de vida das mães de crianças e adolescentes com paralisia cerebral

Fisioterapia em Movimento (Impresso), 2010

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Research paper thumbnail of Purification and characterization of a Kunitz inhibitor from Poincianella pyramidalis with insecticide activity against the Mediterranean flour moth

Pesticide Biochemistry and Physiology, 2014

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Research paper thumbnail of PHYSICAL AND CHEMICAL CHARACTERISTICS AS PARAMETERS FOR QUALITY CONTROL OF PLANT MATERIAL Rhamnus sphaerosperma var. pubescens

Visão Acadêmica, 2013

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Research paper thumbnail of QUALITY CONTROL PARAMETERS OF Sapium glandulosum (L.) Morong (EUPHORBIACEAE): LOSS ON DRYING, TOTAL ASH AND PHYTOCHEMICAL SCREENING

Visão Acadêmica, 2013

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Research paper thumbnail of Avaliação postural da coluna vertebral em escolares surdos de 7-21 anos

Fisioterapia em Movimento (Impresso), 2010

... 379 Referências 1. Silva EJC, Llerena JJC, Cardoso MHCA. Estudo seccional descritivo de crian... more ... 379 Referências 1. Silva EJC, Llerena JJC, Cardoso MHCA. Estudo seccional descritivo de crianças com deficiência audi-tiva atendidas no Instituto Nacional de Educação de Surdos, Rio de Janeiro, Brasil. Cad Saúde Pública. 2007;23(3):627-36. ...

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Research paper thumbnail of Isolation of verbascoside and validation of method to standardize the crude extract of the aerial parts of Buddleja stachyoides Cham. & Schltdl. (Scrophulariaceae)

Química Nova, 2014

ABSTRACT Phenylpropanoid glycoside verbascoside was isolated and identified from the ethyl acetat... more ABSTRACT Phenylpropanoid glycoside verbascoside was isolated and identified from the ethyl acetate fraction of the aerial parts of Buddleja stachyoides Cham. & Schltdl. by 1H-NMR. A method using high-performance liquid chromatography has been developed and validated for determination of verbascoside in alcoholic crude extract of the aerial parts of B. stachyoides. Analysis was performed on a Phenomenex (R) Gemini-NX C18 analytical column (250 mm x 4.6 mm; 5 mu m) using a mobile phase (pump A - aqueous solution containing H2SO4 (0.01 M), H3PO4 (0.4%), and (C2H5)(2)NH (0.4%); pump B - methanol:aqueous (95:5) solution containing H2SO4 (0.05 M), H3PO4 (2%), and (C2H5)(2)NH (0.2%); pump C - acetonitrile:aqueous (90:10) solution containing H2SO4 (0.05 M) and H3PO4 (2%)) and a diode array detector at 325 nm. The method was validated in accordance with ANVISA guidelines and may be applied to quality control of herbal medicine with aerial parts of B. stachyoides.

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Research paper thumbnail of The characteristics of head pain in response to an experimental cold stimulus to the palate: An observational study of 414 volunteers

Cephalalgia, 2012

The objective of this article is to study the characteristics of headaches following an experimen... more The objective of this article is to study the characteristics of headaches following an experimental cold stimulus and evaluate whether the ICHD-II criteria for headache attributed to ingestion or inhalation of a cold stimulus (HICS) are adequate for the diagnosis of the headache induced by ice on the palate area (ice-induced headache (IH)). One hundred and fifty-three out of 414 (37.0%) individuals tested had IH, but only 77/153 (50.3%) satisfied the ICHD-II criteria. The frontal (60.8%) and temporal (48.4%) areas were the most affected ones, with bilateral (77.1%) predominance, often of the pulsatile type (41.2%). One hundred and forty-seven out of 379 (38.8%) individuals who presented with a previous history of primary headache presented with IH, while only six out of 35 (17.1%) who had no history of previous headache reported pain in the test (OR 3.063, 95% CI 1.241-7.557). The ice-induced headache test was positive in 115/240 (47.9%) of the migraine sufferers and in 32/139 (23%) of the tension-type headache sufferers (OR 3.076, 95% CI 1.924-4.918). IH is predominantly frontotemporal, bilateral and throbbing, most commonly affecting migraine sufferers, and the ICHD-II criteria are insufficient for classifying all individuals. We should, however, recommend caution regarding such a generalization from our findings with experimentally provoked cold stimulus headache to cold stimulus headache in general (i.e. HICS, ICHD-II).

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Research paper thumbnail of Postural evaluation of vertebral column in deaf school kids from 7 to 21 years old

Fisioterapia em …, 2010

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Research paper thumbnail of Headache precipitated by Valsalva maneuvers in patients with congenital Chiari I malformation

Arquivos de Neuro-Psiquiatria, 2010

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Research paper thumbnail of Cryotherapy and kinesiotherapy in the spasticity upper limb in the cerebral stroke

Fisioterapia em …, 2010

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Research paper thumbnail of Lipid peroxidation inhibition by ethanolic extract and fractions from Rhamnus sphaerosperma var. pubescens (Reissek) M.C. Johnst. (Rhamnaceae)

International Journal of Phytomedicine, Jun 30, 2013

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Research paper thumbnail of Isolation of verbascoside and validation of method to standardize the crude extract of the aerial parts of Buddleja stachyoides Cham. & Schltdl. (Scrophulariaceae)

Química Nova, 2014

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Research paper thumbnail of Avalia��o postural da coluna vertebral em escolares surdos de 7-21 anos

Fisioterapia Em Movimento, 2010

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Research paper thumbnail of Effect of low frequency transcutaneous electrical nerve stimulation of TE5 (waiguan) and PC6 (neiguan) acupoints on cold-induced pain

Journal of Physical Therapy Science, 2016

[Purpose] This study assesse the effect of low frequency transcutaneous electrical nerve stimulat... more [Purpose] This study assesse the effect of low frequency transcutaneous electrical nerve stimulation (TENS) of theTE5 (waiguan) and PC6 (neiguan) acupoints on cold-induced pain. [Subjects and Methods] Forty-eight subjects were divided by convenience into three groups: TENS with electrodes of 1 cm(2) area, TENS with electrodes of area 15 cm(2) and a placebo group. The study consisted of three phases: cold-induced pain without electroanalgesia, cold-induced pain with electroanalgesia or placebo, and cold-induced pain post-electroanalgesia or placebo. [Results] Acupuncture like TENS increased the pain threshold latency during treatment (45.7 ± 11.7s) compared to pre-treatment (30.9 ± 8.9s) in the TENS group with 1 cm(2) electrodes. In the TENS group with 15 cm(2) electrodes, the pain threshold latency increased at post-treatment (36.2 ± 12.9s) compared to pre-treatment (25.5 ± 7.4s). The placebo group showed no significant changes. The group with 1 cm(2) electrodes showed a significantly higher pain threshold latency (45.7 ± 11.7s) than the other two groups. At post-treatment, the pain threshold latencies of both the 1 cm(2) (39.4 ± 11.5s) and 15 cm(2) (36.2 ± 12.9s) TENS group were higher than that of the placebo group (22.4 ± 7.4s). [Conclusion] Acupuncture like TENS applied to PC6 and TE5 acupoints increased the pain threshold latency. The pain intensity was reduced by TENS with an electrode area of 1 cm(2).

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Research paper thumbnail of Alice in Wonderland Syndrome, Burning Mouth Syndrome, Cold Stimulus Headache, and HaNDL: Narrative Review

Headache, 2015

Unusual headache syndromes are not as infrequent in clinical practice as was generally believed. ... more Unusual headache syndromes are not as infrequent in clinical practice as was generally believed. About three fourths of the classified headache disorders found in the ICHD-II can be considered rare. The aim of this narrative review was to perform a literature review of the pathophysiology, clinical presentation, diagnostic criteria, and treatment of the following unusual headache disorders: Alice in Wonderland syndrome, burning mouth syndrome, cold stimulus headache, and the syndrome of transient headache and neurologic deficits with cerebrospinal fluid lymphocytosis. A literature review was performed using PubMed for each of the abovementioned headache disorders. The unusual headache syndromes as a distinct group of disorders are not as infrequent in clinical practice as was generally believed. Some of them, albeit considered as unusual, may occur with relative frequency, such as cold stimulus headache and burning mouth syndrome.

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Research paper thumbnail of The Frequent Unusual Headache Syndromes: A Proposed Classification Based on Lifetime Prevalence

Headache: The Journal of Head and Face Pain, 2015

There is no agreement on a single cutoff point or prevalence for regarding a given disease as rar... more There is no agreement on a single cutoff point or prevalence for regarding a given disease as rare. The concept of what is a rare headache disorder is even less clear and the spectrum from a very frequent, frequent, occasional to rare headache syndrome is yet to be established. An attempt has been made to estimate the lifetime prevalence of each of the headache subtypes classified in the ICHD-II. Using the ICHD-II, 199 different headache subtypes were identified. The following classification was made according to the estimated lifetime prevalence of each headache disorder: very frequent (prevalence >10%); frequent (between 1 and 10%); occasional (between 0.07 and 1%); and unusual or rare (<0.07%). One hundred and fifty-four of 199 (77%) were categorized as unusual headache disorders, 7/199 (4%) as very frequent, 9/199 (5%) as frequent, and 29/199 (15%) as occasional forms of headache disorder. The unusual headache syndromes do not appear to be as infrequent in clinical practice as has been generally believed. About three-fourths of the classified headache disorders found in the ICHD-II can be considered as rare. This narrative review article may be regarded as an introduction to the concept of unusual headaches and a proposed classification of all headaches (at least those listed in the ICHD-II).

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Research paper thumbnail of Tension-type headache and migraine in employees of an institution of superior education: degree of disability

Objetivo: Objetivo: Objetivo: Objetivo: Objetivo: Estimar a frequência das cefaleias do tipo tens... more Objetivo: Objetivo: Objetivo: Objetivo: Objetivo: Estimar a frequência das cefaleias do tipo tensional (CTT) e migrânea em funcionários de uma instituição de ensi-no superior, avaliando o grau de incapacidade. Métodos: Métodos: Métodos: Métodos: Métodos: O estudo foi realizado com 95 funcionários voluntários (40 mu-lheres), com idade entre 16 e 55 anos (31±10 anos). Foi utilizado um questionário sobre as características clínicas da cefaleia, baseado nos critérios da ICHD II-2004 e os questio-nários de MIDAS e HIT-6. R R R R Resultados: esultados: esultados: esultados: esultados: A frequência de cefaleia, nos últimos três meses, foi de 78,9% (75/95). Houve uma correlação significativa entre a intensidade da dor referi-da pelos indivíduos e o escore obtido tanto no HIT-6 quanto no MIDAS. CTT foi diagnosticada em 39 funcionários [15/40 (38,5%) das mulheres e 24/35 (61,5%) dos homens; p=0,006χ²] e a migrânea foi referida por 36 funcionários [25/ 40 (69,4%) das mulheres e 11/35 (30,6%) d...

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Research paper thumbnail of Analysis of dimensions, activation and median frequency of cervical flexor muscles in young women with migraine or tension-type headache

Brazilian Journal of Physical Therapy, 2015

Central and peripheral mechanisms may be involved in migraine and tension-type headache pathogene... more Central and peripheral mechanisms may be involved in migraine and tension-type headache pathogenesis, however the role of muscle disorders in their pathophysiological mechanisms remains unclear. To assess the association between the presence of migraine or tension-type headache and changes in longus colli muscle dimensions and sternocleidomastoid muscle activity. An observational study with 48 women comparing the following groups: migraine (n=21), tension-type headache (n=16), and control (n=11). The cross-sectional area, lateral and anteroposterior dimensions, and shape ratio of the longus colli muscle were measured using ultrasound. The activation of the sternocleidomastoid muscle was assessed by signal amplitude and the decline in median frequency using surface electromyographic analysis. The dimensions of the longus colli muscle did not differ between groups (p>0.05). Post-test analysis showed lower sternocleidomastoid muscle activation on both sides, at the onset of contraction, in the group with tension-type headache when compared to the control group {right sternocleidomastoid [tension-type headache: 0.39 (0.30-0.49); control: 0.58 (0.42-0.76); p=0.026] and left sternocleidomastoid [tension-type headache: 0.39 (0.31-0.48); control: 0.60 (0.42-0.79); p=0.039], Tukey's post hoc test}. There was no difference between the three groups in sternocleidomastoid muscle activation, on both sides, at the end of contraction (p>0.05). Intergroup analysis showed no difference in the rate of decline in median frequency (p>0.05). The group with tension-type headache exhibited less activation at the onset of sternocleidomastoid muscle contraction. No association was observed between the presence of headache and alterations in longus colli muscle dimensions, median frequency, and sternocleidomastoid muscle activation at the end of contraction.

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Research paper thumbnail of Brain trauma and other injuries in high level karate athletes

Neurobiologia

RESUMO Objetivo: Determinar os tipos mais frequentes de lesões em atletas de alto nível no karatê... more RESUMO Objetivo: Determinar os tipos mais frequentes de lesões em atletas de alto nível no karatê. Método: Foram entrevistados 102 atletas (44 mulheres) que participaram do XV Campeonato Sulamericano de Karatê em Recife – Pernambuco – Brazil. Os atletas preencheram um questionário contendo informações sobre idade, sexo tipo e local das lesões prévias e o período total de treino. Resultados: A média de idade (anos) dos atletas foi de 21±7 para homens e 20±6 para mulheres. O percentual de lesões no grupo estudado foi de 77,5%, sem diferença estatística entre os gêneros (77,6% homens e 72,3% mulheres; p=0,9701, X 2). As lesões foram mais frequentes nos membros inferiores (55,9%) seguida pelos membros superiores (28,4%). Traumas na cabeça corresponderam a 55,9%, distribuídos em concussão cerebral (12,7%), fratura de nariz (10,8%), contusão na face sem fratura (15,7%), luxação temporomandibular (2,3%) foi observada apenas nas mulheres, enquanto fratura de mandíbula (3,4%), fratura de den...

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Research paper thumbnail of Qualidade de vida das mães de crianças e adolescentes com paralisia cerebral

Fisioterapia em Movimento (Impresso), 2010

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Research paper thumbnail of Purification and characterization of a Kunitz inhibitor from Poincianella pyramidalis with insecticide activity against the Mediterranean flour moth

Pesticide Biochemistry and Physiology, 2014

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Research paper thumbnail of PHYSICAL AND CHEMICAL CHARACTERISTICS AS PARAMETERS FOR QUALITY CONTROL OF PLANT MATERIAL Rhamnus sphaerosperma var. pubescens

Visão Acadêmica, 2013

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Research paper thumbnail of QUALITY CONTROL PARAMETERS OF Sapium glandulosum (L.) Morong (EUPHORBIACEAE): LOSS ON DRYING, TOTAL ASH AND PHYTOCHEMICAL SCREENING

Visão Acadêmica, 2013

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Research paper thumbnail of Avaliação postural da coluna vertebral em escolares surdos de 7-21 anos

Fisioterapia em Movimento (Impresso), 2010

... 379 Referências 1. Silva EJC, Llerena JJC, Cardoso MHCA. Estudo seccional descritivo de crian... more ... 379 Referências 1. Silva EJC, Llerena JJC, Cardoso MHCA. Estudo seccional descritivo de crianças com deficiência audi-tiva atendidas no Instituto Nacional de Educação de Surdos, Rio de Janeiro, Brasil. Cad Saúde Pública. 2007;23(3):627-36. ...

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Research paper thumbnail of Isolation of verbascoside and validation of method to standardize the crude extract of the aerial parts of Buddleja stachyoides Cham. & Schltdl. (Scrophulariaceae)

Química Nova, 2014

ABSTRACT Phenylpropanoid glycoside verbascoside was isolated and identified from the ethyl acetat... more ABSTRACT Phenylpropanoid glycoside verbascoside was isolated and identified from the ethyl acetate fraction of the aerial parts of Buddleja stachyoides Cham. & Schltdl. by 1H-NMR. A method using high-performance liquid chromatography has been developed and validated for determination of verbascoside in alcoholic crude extract of the aerial parts of B. stachyoides. Analysis was performed on a Phenomenex (R) Gemini-NX C18 analytical column (250 mm x 4.6 mm; 5 mu m) using a mobile phase (pump A - aqueous solution containing H2SO4 (0.01 M), H3PO4 (0.4%), and (C2H5)(2)NH (0.4%); pump B - methanol:aqueous (95:5) solution containing H2SO4 (0.05 M), H3PO4 (2%), and (C2H5)(2)NH (0.2%); pump C - acetonitrile:aqueous (90:10) solution containing H2SO4 (0.05 M) and H3PO4 (2%)) and a diode array detector at 325 nm. The method was validated in accordance with ANVISA guidelines and may be applied to quality control of herbal medicine with aerial parts of B. stachyoides.

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Research paper thumbnail of The characteristics of head pain in response to an experimental cold stimulus to the palate: An observational study of 414 volunteers

Cephalalgia, 2012

The objective of this article is to study the characteristics of headaches following an experimen... more The objective of this article is to study the characteristics of headaches following an experimental cold stimulus and evaluate whether the ICHD-II criteria for headache attributed to ingestion or inhalation of a cold stimulus (HICS) are adequate for the diagnosis of the headache induced by ice on the palate area (ice-induced headache (IH)). One hundred and fifty-three out of 414 (37.0%) individuals tested had IH, but only 77/153 (50.3%) satisfied the ICHD-II criteria. The frontal (60.8%) and temporal (48.4%) areas were the most affected ones, with bilateral (77.1%) predominance, often of the pulsatile type (41.2%). One hundred and forty-seven out of 379 (38.8%) individuals who presented with a previous history of primary headache presented with IH, while only six out of 35 (17.1%) who had no history of previous headache reported pain in the test (OR 3.063, 95% CI 1.241-7.557). The ice-induced headache test was positive in 115/240 (47.9%) of the migraine sufferers and in 32/139 (23%) of the tension-type headache sufferers (OR 3.076, 95% CI 1.924-4.918). IH is predominantly frontotemporal, bilateral and throbbing, most commonly affecting migraine sufferers, and the ICHD-II criteria are insufficient for classifying all individuals. We should, however, recommend caution regarding such a generalization from our findings with experimentally provoked cold stimulus headache to cold stimulus headache in general (i.e. HICS, ICHD-II).

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Research paper thumbnail of Postural evaluation of vertebral column in deaf school kids from 7 to 21 years old

Fisioterapia em …, 2010

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Research paper thumbnail of Headache precipitated by Valsalva maneuvers in patients with congenital Chiari I malformation

Arquivos de Neuro-Psiquiatria, 2010

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Cryotherapy and kinesiotherapy in the spasticity upper limb in the cerebral stroke

Fisioterapia em …, 2010

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Research paper thumbnail of Lipid peroxidation inhibition by ethanolic extract and fractions from Rhamnus sphaerosperma var. pubescens (Reissek) M.C. Johnst. (Rhamnaceae)

International Journal of Phytomedicine, Jun 30, 2013

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