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medial rectus palsy

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https://www.readbyqxmd.com/read/28196268/three-cases-of-exotropic-moebius-syndrome
#1
Abbas Bagheri, Mohaddese Feizi
Moebius syndrome is characterized by congenital facial palsy and limitation in horizontal gaze. The surgical results of the exotropic pattern are rare and have not been published before. The authors report three cases of exotropic Moebius syndrome. Maximal weakening of the lateral rectus muscles followed by strengthening of the medial recti in exotropic Moebius syndrome can improve exotropia significantly. Most of these cases also need some measures to relieve the often associated severe dry eye. [J Pediatr Ophthalmol Strabismus...
February 14, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28182149/anterior-segment-ischemia-after-strabismus-surgery
#2
Emine Seyhan Göçmen, Yonca Atalay, Özlem Evren Kemer, Hikmet Yavuz Sarıkatipoğlu
A 46-year-old male patient was referred to our clinic with complaints of diplopia and esotropia in his right eye that developed after a car accident. The patient had right esotropia in primary position and abduction of the right eye was totally limited. Primary deviation was over 40 prism diopters at near and distance. The patient was diagnosed with sixth nerve palsy and 18 months after trauma, he underwent right medial rectus muscle recession. Ten months after the first operation, full-thickness tendon transposition of the superior and inferior rectus muscles (with Foster suture) was performed...
January 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28167284/isolated-pseudoabducens-palsy-in-acute-thalamic-stroke
#3
Mehdi Ghasemi, Nazish Riaz, Anna Bjornsdottir, David Paydarfar
Oculomotor abnormalities are rarely noted in thalamic strokes. We describe isolated right pseudoabducens palsy in a young patient with acute left thalamic infarction revealed by diffusion-weighted magnetic resonance imaging. The patient's horizontal diplopia and oculomotor palsy resolved within 3days. This case supports the hypothesis that a lesion can cause isolated esotropia by interrupting descending inhibitory convergence pathways that traverse the paramedian thalamus and decussate in the subthalamic region to innervate the contralateral third oculomotor nucleus...
February 1, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28117209/isolated-medial-rectus-palsy-rare-presentation-of-mesencephalon-infarction
#4
Yindan Yao, Wenke Hong, Zhenyi Fan, Da Li, Xianchao Chang, Weinv Fan
Isolated medial rectus palsy due to mesencephalon lesion is extremely rare. We here describe a patient of midbrain infarction involving the medial rectus subnuclei presenting as isolated medial rectus palsy. Axial diffusion-weighted and coronal T2-weighted magnetic resonance imaging showed acute ischemic lesion in mesencephalon.
January 20, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28017901/central-serous-chorioretinopathy-following-medial-transposition-of-split-lateral-rectus-muscle-for-complete-oculomotor-nerve-palsy
#5
Rebecca Sorenson, Ajay Soni
Central serous chorioretinopathy (CSCR) is an incompletely understood condition in which a primary dysfunction of the choriocapillaris, retinal pigment epithelium, or both causes a detachment of the neurosensory retina. We report the first case of CSCR as a complication of strabismus surgery and explore pathogenic mechanisms.
December 23, 2016: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/27974341/vertical-muscle-transposition-with-silicone-band-belting-in-vi-nerve-palsy
#6
Ricardo Dourado Leite, Cristina Freitas, Sandra Guimaraes
A woman aged 60 years developed a Millard-Gubler syndrome after a diagnosis of a cavernous angioma in the median and paramedian areas of the pons. In this context, she presented a right VI nerve palsy, right conjugate gaze palsy, facial palsy and left hemiparesis. To improve the complete VI nerve palsy, we planned a modified transposition approach, in which procedure we made a partial transposition of vertical rectus with a silicone band that was fixated posteriorly. After the procedure, the patient gained the ability to slightly abduct the right eye...
December 14, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27813529/augmented-vertical-recti-transposition-with-intraoperative-botulinum-toxin-for-complete-and-chronic-sixth-nerve-palsy
#7
R Nabie, D Andalib
PurposeTo evaluate the results of augmented vertical rectus muscle transposition (VRT) with intraoperative botulinum toxin (BTX) for complete and chronic sixth nerve palsy.MethodsDuring a 10-year period (2004-2014) all patients with chronic and complete sixth nerve palsy and contracted medial rectus (MR) who underwent augmented VRT and BTX injection into the MR enrolled in this study.ResultsIn total, 29 patients (5 bilateral) were enrolled in this study. Preoperative deviation was 45±17.5 Prism Diopter (PD), which was improved to -3...
January 2017: Eye
https://www.readbyqxmd.com/read/27768791/extraocular-muscle-compartments-in-superior-oblique-palsy
#8
Soh Youn Suh, Robert A Clark, Alan Le, Joseph L Demer
Purpose: To investigate changes in volumes of extraocular muscle (EOM) compartments in unilateral superior oblique (SO) palsy using magnetic resonance imaging (MRI). Methods: High-resolution, surface-coil MRI was obtained in 19 patients with unilateral SO palsy and 19 age-matched orthotropic control subjects. Rectus EOMs and the SO were divided into two anatomic compartments for volume analysis in patients with unilateral SO palsy, allowing comparison of total compartmental volumes versus controls...
October 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27725276/augmented-superior-rectus-transposition-with-medial-rectus-recession-in-patients-with-abducens-nerve-palsy
#9
Preeti Patil-Chhablani, Krishnapriya Kothamasu, Ramesh Kekunnaya, Virender Sachdeva, Vivek Warkad
PURPOSE: To evaluate the surgical outcome of augmented superior rectus transposition (SRT) and medial rectus recession (MRc) in patients with abducens nerve palsy. METHODS: The medical records of consecutive patients with abducens nerve palsy who underwent unilateral or bilateral simultaneous SRT with MRc from January 2012 to December 2014 were analyzed. Patients with previous strabismus surgery or botulinum toxin injection were excluded. Primary outcome measures were esotropia in primary position and abduction deficit...
December 2016: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/27663629/comparison-of-augmented-and-nonaugmented-modified-knapp-procedure-for-the-treatment-of-nonrestrictive-double-elevator-palsies
#10
YuePing Li, LiLi Sun, Wei Zhang, KanXing Zhao
PURPOSE: To compare surgical results of augmented and nonaugmented modified Knapp procedure, for the treatment of nonrestrictive double elevator palsies (DEP). METHODS: The medical records of patients with congenital DEP were reviewed retrospectively. Patients were divided into three treatment groups: standard transposition (group A), Foster transposition (group B), and resection transposition (group C). Pre- and postoperative vertical deviation in primary position, ocular motility, and binocular vision were compared...
September 20, 2016: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/27651233/on-surgical-planning-and-innervation-in-pontine-gaze-palsy-with-ipsilateral-esotropia
#11
Deniz Somer, Fatma Gul Cinar, Ahmet Kaderli, Firdevs Ornek
PURPOSE: To discuss surgical intervention strategies and innervation among patients with horizontal gaze palsy with concurrent esotropia. METHODS: Five consecutive patients with dorsal pontine lesions are presented. Each patient had horizontal gaze palsy with symptomatic diplopia as a consequence of esotropia in attempted primary gaze and an anomalous head turn to attain single binocular vision. RESULTS: Clinical findings in the first 2 patients led us to presume there was complete loss of rectus muscle function from rectus muscle palsy...
September 17, 2016: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/27647114/pulled-in-two-syndrome-a-multicenter-survey-of-risk-factors-management-and-outcomes
#12
Erika M Ellis, Michael Kinori, Shira L Robbins, David B Granet
BACKGROUND: Pulled-in-two syndrome (PITS) is a serious complication of strabismus surgery that occurs when an extraocular muscle ruptures under tension. The purpose of this study was to establish a database of PITS patients to identify risk factors and management of PITS. METHODS: Strabismus surgeons from around the world contributed cases of PITS through an online survey. Risk factors, management, and outcomes were identified. RESULTS: A total of 40 cases of PITS from 29 physicians in 6 countries were collected...
September 16, 2016: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/27537250/double-augmented-vertical-rectus-transposition-for-large-angle-esotropia-due-to-sixth-nerve-palsy
#13
Priyanka Singh, Perumalsamy Vijayalakshmi, Shashikant Shetty, Priyanka Vora, Suresh Kalwaniya
PURPOSE: To study the binocular alignment and ocular motility in patients with large-angle esotropia due to sixth nerve palsy treated with double augmented vertical recti transposition. METHODS: This was a prospective interventional study. Fifteen patients with non-resolving sixth nerve palsy who underwent surgical correction were included in the study. Fourteen patients also underwent an additional medial rectus recession. Two patients with an associated small vertical deviation had a selective augmentation of one vertical rectus muscle...
November 1, 2016: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/27471949/skew-deviation-case-report-and-review-of-the-literature
#14
Katarina Ivana Tudor, Damir Petravić, Anđela Jukić, Zlatko Juratovac
OBJECTIVE: To present a patient with a sudden onset ocular tilt reaction (OTR) and review recent knowledge and evolving insights of the underlying pathophysiological mechanisms of skew deviation and OTR. METHODS: A middle-aged hypertensive man who had previously suffered stroke with good recovery presented with sudden-onset double vision, slurred speech, ataxia, and a head tilt. Romberg test was positive. The patient denied having disturbances of visual acuity, eye pain, or recent trauma...
July 29, 2016: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/27381267/botulinum-neurotoxin-treatment-in-children-with-cerebral-palsy-validation-of-a-needle-placement-protocol-using-passive-muscle-stretching-and-relaxing
#15
Jessica Warnink-Kavelaars, R Jeroen Vermeulen, Annemieke I Buizer, Jules G Becher
AIM: To validate a detailed intramuscular needle placement protocol using passive muscle stretching and relaxing for botulinum neurotoxin type A (BoNT-A) treatment in the lower extremity of children with spastic cerebral palsy (CP), with verification by electrical stimulation. METHOD: A prospective observational study was performed in 75 children with spastic CP who received regular BoNT-A treatment under general anaesthesia (52 males, 23 females; mean age 8y 9mo, SD 3y 7mo, range 4-18y; mean body mass index 16...
December 2016: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/27376438/brainstem-micro-abscesses-caused-by-burkholderia-pseudomallei-in-a-10-month-old-infant-a-case-report
#16
M Prasanna Kumar, Sriram Krishnamurthy, V S Venkateswaran, Subramanian Mahadevan, M Lalitha, Sujatha Sistla, K Nagarajan
Melioidosis is an uncommon tropical infectious disease caused by Burkholderia pseudomallei. Neurological complications of melioidosis are extremely uncommon in infants. A 10-month-old girl is described who presented with disseminated melioidosis with subcutaneous nodules, arthritis, hepatomegaly and a lung cavity, and developed a left medial rectus palsy. Cranial MRI demonstrated mid-brain, pontine and basal ganglia micro-abscesses. Therapy with meropenem and cotrimoxazole led to resolution of the medial nerve palsy...
July 4, 2016: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/27358583/bilateral-adduction-palsy-in-a-patient-with-myotonic-dystrophy-type-1
#17
Hong-Jeon Kim, Jung-Hwan Oh, Sa-Yoon Kang
Myotonic dystrophy type 1 (DM1) is caused by CTG repeat expansion in the DMPK gene in chromosome 19q13.3. External ophthalmoplegia is a rare manifestation in DM1. We report a DM1 patient confirmed by the presence of 650 CTG triplet expansions in the DMPK gene and had limitation of adduction gaze bilaterally. Brain MRI showed bilateral medial rectus muscles atrophy. Our patient provides additional evidence of ocular motor muscle involvement in DM1.
June 2016: Experimental Neurobiology
https://www.readbyqxmd.com/read/27224949/a-new-surgical-treatment-option-for-chronic-total-oculomotor-nerve-palsy-a-modified-technique-for-medial-transposition-of-split-lateral-rectus-muscle
#18
Ibrahim Erbagci, Veysi Öner, Erol Coskun, Seydi Okumus
PURPOSE: To describe a new surgical modified procedure in patients with chronic total oculomotor nerve palsy and to evaluate the results of this procedure. METHODS: Eight eyes of 6 consecutive patients who underwent strabismus surgery due to chronic total oculomotor nerve palsy were enrolled in the study. The lateral rectus muscle was split into two halves and disinserted from the sclera. The upper half of the muscle was passed under the superior rectus muscle and the inferior half of the muscle was passed under the inferior rectus muscle...
May 1, 2016: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/27067886/clinical-study-of-eleven-patients-with-midbrain-infarction-induced-oculomotor-nerve-palsy
#19
Katsuhiko Ogawa, Yutaka Suzuki, Keiko Takahashi, Satoshi Kamei, Hiroshi Ishikawa
BACKGROUND: Midbrain lesion-induced oculomotor nerve palsy can be divided into the nuclear and infranuclear types. In the infranuclear type, the degree of each subtype of ocular muscle palsy usually varies. METHODS: The neuroradiological findings of 11 patients with midbrain infarction-induced oculomotor nerve palsy were analyzed. Their infarcts were grouped into rostral and caudal lesions. Each group was then divided into lesions that occurred in the paramedian and lateral regions before being subdivided further into lesions that occurred in the tegmental, central, and ventral areas...
July 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/27023310/strabismus-surgery-in-patients-with-ocular-neuromyotonia-potential-unmasking-of-the-condition-and-effective-management-tool
#20
J Anna Kim, Federico G Velez, Stacy L Pineles
BACKGROUND: Ocular neuromyotonia (ONM) is a rare motility disorder in which paroxysms of tonic extraocular muscle contraction from abnormal ocular motor nerve firing result in episodic diplopia and strabismus. Medical therapy with membrane-stabilizing agents has varied success. A surgical approach to treatment has not yet been described. We report the outcomes of strabismus surgery in patients with ONM. METHODS: We describe 3 patients with sixth nerve paresis and ONM of the affected lateral rectus muscle who underwent strabismus surgery...
September 2016: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
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