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1.
Braz. j. biol ; 842024.
Article in English | LILACS-Express | LILACS, VETINDEX | ID: biblio-1469385

ABSTRACT

Abstract Variety assortment enhancement is a normal task that involves enhancing the assortment's quality and upgrading varieties. The findings of a research of imported grape varieties in the southeast of Kazakhstan, namely in the Almaty region's bottom-mountain zone, are presented in this article. The onset and conclusion of the main phenological phases of a grape plant throughout the vegetative period were directly influenced by the climatic and meteorological conditions of this district. In comparison to the recognized variety Almaty early-maturing, it has been proven that types Priusadebny, Iyulsky, and Kuibyshevsk early-maturing have a high degree of eyes wintering buds and may provide a high-quality crop in this location.


Resumo O aprimoramento da variedade é uma tarefa normal que envolve o aprimoramento da qualidade da variedade e o aprimoramento das variedades. As descobertas de uma pesquisa de variedades de uvas importadas no sudeste do Cazaquistão, ou seja, na zona de base da montanha da região de Almaty, são apresentadas neste artigo. O início e a conclusão das principais fases fenológicas de uma videira ao longo do período vegetativo foram diretamente influenciados pelas condições climáticas e meteorológicas deste distrito. Em comparação com a variedade reconhecida Almaty de maturação precoce, foi comprovado que os tipos Priusadebny, Iyulsky e Kuibyshevsk de maturação precoce têm um alto grau de gomos de inverno de olhos e podem fornecer uma safra de alta qualidade neste local.

2.
Braz. j. biol ; 84: e258275, 2024. tab, graf
Article in English | LILACS, VETINDEX | ID: biblio-1364498

ABSTRACT

Variety assortment enhancement is a normal task that involves enhancing the assortment's quality and upgrading varieties. The findings of a research of imported grape varieties in the southeast of Kazakhstan, namely in the Almaty region's bottom-mountain zone, are presented in this article. The onset and conclusion of the main phenological phases of a grape plant throughout the vegetative period were directly influenced by the climatic and meteorological conditions of this district. In comparison to the recognized variety Almaty early-maturing, it has been proven that types Priusadebny, Iyulsky, and Kuibyshevsk early-maturing have a high degree of eyes wintering buds and may provide a high-quality crop in this location.


O aprimoramento da variedade é uma tarefa normal que envolve o aprimoramento da qualidade da variedade e o aprimoramento das variedades. As descobertas de uma pesquisa de variedades de uvas importadas no sudeste do Cazaquistão, ou seja, na zona de base da montanha da região de Almaty, são apresentadas neste artigo. O início e a conclusão das principais fases fenológicas de uma videira ao longo do período vegetativo foram diretamente influenciados pelas condições climáticas e meteorológicas deste distrito. Em comparação com a variedade reconhecida Almaty de maturação precoce, foi comprovado que os tipos Priusadebny, Iyulsky e Kuibyshevsk de maturação precoce têm um alto grau de gomos de inverno de olhos e podem fornecer uma safra de alta qualidade neste local.


Subject(s)
Climate Change , 24444 , Vitis , Kazakhstan
3.
Braz J Biol ; 84: e258275, 2022.
Article in English | MEDLINE | ID: mdl-35262566

ABSTRACT

Variety assortment enhancement is a normal task that involves enhancing the assortment's quality and upgrading varieties. The findings of a research of imported grape varieties in the southeast of Kazakhstan, namely in the Almaty region's bottom-mountain zone, are presented in this article. The onset and conclusion of the main phenological phases of a grape plant throughout the vegetative period were directly influenced by the climatic and meteorological conditions of this district. In comparison to the recognized variety Almaty early-maturing, it has been proven that types Priusadebny, Iyulsky, and Kuibyshevsk early-maturing have a high degree of eyes wintering buds and may provide a high-quality crop in this location.


Subject(s)
Vitis , Kazakhstan , Seasons
5.
Case Rep Crit Care ; 2017: 6417012, 2017.
Article in English | MEDLINE | ID: mdl-29270322

ABSTRACT

A 20-year-old female presented with confusion, generalized tonic-clonic seizures, and severe hyponatremia after ingesting 3,4-methylenedioxymethamphetamine (MDMA). Brain computed tomography (CT) demonstrated cerebral edema. Her hospital course was rapidly complicated by respiratory failure and shock requiring intubation and vasopressors. Refractory acute respiratory distress syndrome (ARDS) was diagnosed which was unresponsive to conventional and salvage therapies, requiring initiation of extracorporeal membrane oxygenation (ECMO), leading to normalization of oxygenation parameters. Hyponatremia was corrected and the encephalopathy resolved. The patient was decannulated and extubated after three days. MDMA-induced hyponatremia is hypothesized to result from enhanced serotonergic activity and arginine vasopressin (AVP) release in the brain leading to hyperthermia-induced polydipsia and syndrome of inappropriate antidiuretic hormone (SIADH) secretion. A common but often unrecognized complication of severe hyponatremia is the Ayus-Arieff syndrome where cerebral edema causes neurogenic pulmonary edema via centrally mediated increases in catecholamine release and capillary injury. For our patient, ECMO was required for three days while the hyponatremia was corrected which led to rapid clearing of the cerebral edema and neurogenic pulmonary edema. This case illustrates that, in selecting patients with refractory ARDS from MDMA-associated cerebral and pulmonary edema, ECMO may be a temporizing and life-saving modality of treatment.

6.
Surg Radiol Anat ; 36(7): 725-8, 2014 Sep.
Article in English | MEDLINE | ID: mdl-24166072

ABSTRACT

We present the case of a 30-year-old female, complaining of thoracic outlet compression symptoms caused by a supernumerary muscle, the subclavius posticus, accompanied by a caudally inserted middle scalenus muscle on the second rib. This rare anatomic variant was clearly shown on CT angiography and MRI images and surgical treatment was successful. As first described by Rosenmuller in 1800, subclavius posticus is a supernumerary muscle originating from the cranial surface of the sternal end of the first rib, running laterodorsally beneath the clavicle, and inserting into the superior border of the scapula. Its role in thoracic outlet syndrome has been seldom demonstrated in living patients nor described in imaging, although it is theoretically easily recognizable on modern imaging modalities. It should be taken into account during workout of patients with thoracic outlet syndrome, since it can be potentially treated.


Subject(s)
Muscle, Skeletal/abnormalities , Thoracic Outlet Syndrome/diagnosis , Thoracic Outlet Syndrome/etiology , Adult , Contrast Media , Female , Humans , Magnetic Resonance Imaging , Muscle, Skeletal/surgery , Thoracic Outlet Syndrome/surgery , Tomography, X-Ray Computed , Ultrasonography, Doppler
7.
J Mal Vasc ; 33(1): 26-9, 2008 Feb.
Article in French | MEDLINE | ID: mdl-18313873

ABSTRACT

Imaging descriptions are lacking for vertebral artery variants reported in the anatomy literature. We report thus a variant of vertebral arteries discovered incidentally in a patient admitted for aortocoronary bypass. Doppler of the supra-aortic arches revealed the absence of cervical segments of both vertebral arteries. Transcranial doppler revealed the presence of intracranial segments of these arteries that continued in a normal basilar trunk. MR-angiography performed on a 3T machine confirmed the bilateral absence of cervical segments and the presence of normal intracranial segments arising from the occipital arteries, branches of the external carotid arteries. Embryologic analysis explains this variant by an involution of cervical segments and persistence of anastomoses between the external carotid system and the vertebrobasilar system that normally regresses during fetal life. This anastomosis enables irrigation of the intracranial vertebrobasilar system by the external carotid artery. The introduction of 3T MR-angiography has enabled better and more precise detection of vascular variants without invasive angiography.


Subject(s)
Magnetic Resonance Angiography , Vertebral Artery/abnormalities , Aged , Coronary Artery Bypass , Humans , Male , Ultrasonography , Vertebral Artery/diagnostic imaging
8.
Ann Cardiol Angeiol (Paris) ; 56(5): 241-6, 2007 Nov.
Article in French | MEDLINE | ID: mdl-17573028

ABSTRACT

BACKGROUND: Great saphenous vein is one of the most used grafts in cardiovascular surgery. There is little amount of data in the medical literature describing dimensions of this vein. This series describes dimensions of the great saphenous vein in a coronary population and their variations. PATIENTS AND METHODS: Retrospective series of patients admitted to the cardiovascular surgery department of Hotel-Dieu de France Hospital - Beirut, between January 2003 and June 2006 for elective coronary artery bypass grafting and having a preoperative Doppler ultrasound of the saphenous veins according to a standardized protocol. Great saphenous vein dimensions were analyzed with regard to patients' characteristics using multivariable analysis of variance. RESULTS: Four hundred and two subjects were included with a mean age 64.4+/-9.3 years and a mean body mass index 27.9+/-4.5 kg/m(2). Women presented 22.6% of the series. Great saphenous vein dimensions' variations according to gender were significant (Multivariate Pillay trace=0.001) below the knee. Dimensions' variations were also significant as function of body mass index (P=0.001) and body surface (P=0.001). Age and cardiovascular risk factors did not influence GSV diameters. CONCLUSION: This series allowed constructing reference tables of the great saphenous vein segmental diameters in patients admitted for coronary artery surgery. Female sex is associated with lower segmental diameters below the knee and body mass index and body surface are linearly associated with segmental diameters at all levels.


Subject(s)
Coronary Disease/pathology , Saphenous Vein/anatomy & histology , Adult , Aged , Aged, 80 and over , Female , Humans , Male , Middle Aged , Retrospective Studies , Saphenous Vein/pathology
9.
J Mal Vasc ; 32(2): 112-5, 2007 Apr.
Article in French | MEDLINE | ID: mdl-17376625

ABSTRACT

Radiological documents are lacking for many descriptions of variants of vertebral and inferior thyroid arteries reported in the anatomic literature. We report two simultaneous variants, discovered incidentally during a catheterization procedure of the left vertebral artery in a patient admitted for arteriovenous malformation. The vertebral and inferior thyroid arteries arose from a common trunk, issuing directly from the aortic arch. Ipsilateral cervical arteries arose from the subclavian artery that gave no thyroid branch. This aspect was also well documented by Doppler ultrasound. We give an embryological analysis, which would explain these variants by lack of involution of specific arterial segments. More recently, multidetector CT has been found to be helpful in facilitating detection and study of vascular variants.


Subject(s)
Thyroid Gland/blood supply , Adult , Angiography , Aorta, Thoracic/abnormalities , Aorta, Thoracic/diagnostic imaging , Arteries/abnormalities , Arteriovenous Malformations/diagnostic imaging , Humans , Male
10.
J Mal Vasc ; 31(5): 287-91, 2006 Dec.
Article in French | MEDLINE | ID: mdl-17202983

ABSTRACT

OBJECTIVE: To report a case of pseudoaneurysm of the abdominal aorta due to retroperitoneal enlarged lymph nodes. MATERIALS AND METHODS: A 40 years old patient, with known sarcoma and metastatic retroperitoneal lymph nodes was referred for abdominal ultrasound because severe abdominal pain after defecation. RESULTS: The Doppler examination revealed magma of retroperitoneal lymph nodes surrounding the abdominal aorta inside of which a saccular collection of circulating blood, communicating with the aorta, was detected. The spectrum registered in the channel revealed a bidirectional flow compatible with a pseudoaneurysm. MR angiography confirmed the diagnosis. Successful occlusion was done by coil embolization. CONCLUSION: Pseudoaneurysms of the abdominal aorta are very rare. We report the first case of pseudoaneurysm arising in retroperitoneal lymph nodes. Diagnosis by Doppler ultrasound allowed a rapid treatment by embolization.


Subject(s)
Aneurysm, False/etiology , Aortic Aneurysm, Abdominal/etiology , Embolization, Therapeutic , Lymphatic Metastasis/diagnostic imaging , Sarcoma/diagnostic imaging , Sarcoma/pathology , Adult , Aneurysm, False/diagnostic imaging , Aortic Aneurysm, Abdominal/diagnostic imaging , Humans , Male , Peritoneal Cavity , Tomography, X-Ray Computed , Ultrasonography, Doppler
12.
J Mal Vasc ; 29(4): 205-9, 2004 Oct.
Article in French | MEDLINE | ID: mdl-15529084

ABSTRACT

We report a case of asymptomatic occlusion of the right internal carotid artery owing to the presence of a rare anatomic variant (occipital artery originating from the extracranial segment of the internal carotid artery). During the preoperative workup for a coronary artery bypass grafting (CABG) in a 65-year-old patient, an occlusion of the right internal carotid artery was visualized on Duplex ultrasound. Distally to the occluded site, the artery was patent thanks to a vessel parallel to it but with a reverse blood flow. MRA and angiography of the brachiocephalic trunk confirmed the occlusion of the internal carotid artery and its opacification distally via an aberrant occipital artery arising at the supra-bulbar level and communicating with the right vertebral artery. Therapeutic abstention was decided and the patient was operated of CABG without any neurological complication. Occipital artery arising from the internal carotid artery is a rare anomaly. Its association with internal carotid artery occlusion may be beneficial because it makes surgery possible, even in a chronic stage, if the patient is symptomatic. If the patient is asymptomatic, therapeutic abstention could be considered.


Subject(s)
Carotid Artery, Internal/abnormalities , Aged , Carotid Artery, Internal/diagnostic imaging , Humans , Magnetic Resonance Angiography , Male , Ultrasonography, Doppler, Color
14.
J Neurosurg ; 91(6): 1034-6, 1999 Dec.
Article in English | MEDLINE | ID: mdl-10584852

ABSTRACT

Primary orbital intraosseous angiomas are rare. The authors report the case of a 55-year-old man who harbored a multifocal cavernous angioma in an unusual sphenoorbital location. The lesion was responsible for unilateral exophthalmos and blindness. Characteristic imaging findings, which included a honeycomb pattern on plain x-ray films and computerized tomography scans, a heterogeneous high signal intensity on T2-weighted magnetic resonance images, and slowly flowing venous lakes on power Doppler ultrasonograms and angiograms, are presented and discussed.


Subject(s)
Hemangioma, Cavernous/surgery , Orbital Neoplasms/surgery , Skull Neoplasms/surgery , Blindness/etiology , Craniotomy , Diagnostic Imaging , Exophthalmos/etiology , Hemangioma, Cavernous/diagnosis , Humans , Male , Middle Aged , Orbital Neoplasms/diagnosis , Postoperative Complications/diagnosis , Skull Neoplasms/diagnosis
15.
J Radiol ; 78(9): 635-41, 1997 Sep.
Article in French | MEDLINE | ID: mdl-9537182

ABSTRACT

INTRODUCTION: Osteoid osteoma (OO) is a frequently encountered benign bone tumor, seen in young adults with male predominance. MATERIALS AND METHODS: Nine patients complaining of nonspecific extremity pain underwent MRI examination. The sequences obtained were T1 and T2 weighted spin-echo and T2 weighted gradient echo. A CT scan examination followed in all cases, exploring the region of the abnormal signal seen on MRI. The results of both examinations were compared. RESULTS: In six of the nine patients (66.6%) MRI showed evidence suggestive of osteoid osteoma, comparable that seen on CT scan. In three patients (33.3%), MRI showed a nonspecific and ill-defined bone marrow signal abnormality. CT cuts focused on those areas of signal abnormality showed the nidus. DISCUSSION: MRI is more sensitive than CT scan in detecting soft tissue and bone marrow abnormalities adjacent to an osteoid osteoma. This may produce a misleading aggressive appearance on MR images. CT scanning is more specific than MRI, by showing the nidus. In three patients studied, the nidus was only seen by CT, the other six osteoid osteomas were equally seen by CT and by MRI. In our study, MRI revealed abnormalities in all the cases. It was also highly specific for osteoid osteoma in 66.6%. CONCLUSION: MRI is very sensitive in detecting bone marrow and soft tissue abnormalities, and can suggest the diagnosis of OO in a good number of patients. In the remainder cases MRI guides the CT-scan. CT is more accurate and remains the definite examination for the diagnosis of OO, by showing the nidus.


Subject(s)
Bone Neoplasms/diagnosis , Magnetic Resonance Imaging , Osteoma, Osteoid/diagnosis , Adolescent , Adult , Bone Neoplasms/diagnostic imaging , Diagnostic Errors , Evaluation Studies as Topic , Female , Humans , Male , Osteoma, Osteoid/diagnostic imaging , Radiography , Sensitivity and Specificity
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