scholarly journals A Cadaveric Study of Radial Nerve Course and its Clinical Implications on Radial Nerve Block at Elbow

2021 ◽  
Author(s):  
Srimathi Ramasamy ◽  
Muthu Kumar Thyagarajan ◽  
Chandrasekar Raju
Keyword(s):  
Peripheral Nerve ◽  
Nerve Block ◽  
Radial Nerve ◽  
Biceps Tendon ◽  
Cross Sectional Study ◽  
Upper Limbs ◽  
Nerve Blocks ◽  
Cross Sectional ◽  
Lateral Epicondyle ◽  
The Mean

Introduction: Upper limb nerve blocks are done commonly by brachial plexus (C5-T1) blocks via supraclavicular, infraclavicular approaches. Sometimes a single peripheral nerve needs additional block with local anaesthetic to achieve adequate block. Peripheral nerve blocks are useful for minor surgical procedures in a single nerve distribution. Aim: To study the course and clinical significance of the radial nerve in 50 cadaveric upper limbs. Materials and Methods: A cross-sectional study was conducted on 50 intact dissected upper limbs. The upper limbs were obtained from the Department of Anatomy, Sri Ramachandra Medical College from August 2020 to December 2020. Radial nerve was exposed by routine dissection in all the upper limbs and its entire course was studied and observed for any variation. The distance from the biceps tendon to the radial nerve at the elbow, distance of the radial nerve in the Lateral Intermuscular Septum (LIS) from the epicondyles at the elbow were measured. The results obtained were statistically analysed using Statistical Package for the Social Sciences (SPSS) version 16.0. Results: In present study, the mean distance of the radial nerve in the LIS to the medial epicondyle was 12.4±0.31 cm and to the lateral epicondyle was 12.1±0.28 cm. The mean distance from the biceps tendon to the radial nerve at the elbow was 1.75±0.22 cm. Conclusion: From the present study, it can be inferred that effective peripheral radial nerve block can be achieved by blocking the nerve 1.75 cm lateral to the biceps tendon at the elbow 3 cm above the elbow crease. This can be made comfortable to the patient and more precise by ultrasound localisation of the radial nerve.

Wrist extension strength required for power grip: a study using a radial nerve block model

2011 ◽  
Vol 37 (5) ◽  
pp. 432-435 ◽  
Author(s):  
T. Suzuki ◽  
T. Kunishi ◽  
J. Kakizaki ◽  
N. Iwakura ◽  
J. Takahashi ◽  
...  
Keyword(s):  
Nerve Block ◽  
Strong Correlation ◽  
Radial Nerve ◽  
Recovery Process ◽  
Wrist Flexion ◽  
Nerve Blocks ◽  
Wrist Extension ◽  
Power Grip ◽  
The Mean ◽  
Healthy Males

The aim of this study was to investigate the correlation of wrist extension strength (WES) and grip strength (GS) using a radial nerve block, and to determine the WES required to prevent the “wrist flexion phenomenon” (antagonistic WES) when making a fist. We tested 14 arms in seven healthy males. WES and GS were measured before blocking as standard WES and standard GS. All participants then had radial nerve blocks with mepivacaine hydrochloride. During the recovery process from radial nerve blockade, WES and GS were recorded every 5 minutes. There was a very strong correlation between WES and GS ( p < 0.0001). The mean antagonistic WES was 51% of standard WES, and the mean GS, recorded at the same time, was 66% of standard GS.

Ultrasonographic Assessment of the Distance of Sciatic Nerve Bifurcation from the Popliteal Crease and its Depth from Skin in Volunteers

2020 ◽  
Vol 18 (2) ◽  
pp. 73-77
Author(s):  
U. Sharma ◽  
S. Lama Moktan ◽  
S.B Shrestha
Keyword(s):  
Sciatic Nerve ◽  
College Teaching ◽  
Cross Sectional Study ◽  
P Value ◽  
Nerve Blocks ◽  
Cross Sectional ◽  
Medical College ◽  
Wide Variability ◽  
The Mean ◽  
Ultrasonographic Assessment

Background Sciatic nerve block used for various surgeries below knee and for maintenance of analgesia demonstrates wide variability regarding its bifurcation into tibial and common peroneal nerves, frequently accounting for incomplete nerve blocks. Objective To determine the variation of sciatic nerve bifurcation among Nepalese volunteers. Method This cross sectional study was conducted in the Department of Anesthesiology of Kathmandu Medical College Teaching Hospital from March to May 2019, where 110 healthy volunteers underwent ultrasonography of sciatic nerve starting from popliteal fossa to its bifurcation. The distance between the bifurcation of sciatic nerve from popliteal crease and depth of the nerve at that point from the skin were measured. Result The mean distance at which sciatic nerve bifurcated from the popliteal crease was 5.42 ± 1.37 cm. Most commonly, the sciatic nerve bifurcated at a distance of 5-7 cm from the popliteal crease in 110 limbs (50.45%). However, in 80 limbs (36.69%), the bifurcation was found at less than 5 cm from the popliteal crease. The depth of the nerve from the skin at the point of bifurcation was 1.72 ± 0.54 cm, with results showing it was deeper in females compared to males (p value < 0.001). Conclusion This study showed that though the distance of sciatic nerve bifurcation from the popliteal crease in our study group was coherent with the published literature of 5-12 cm; many volunteers also had this bifurcation at distances less than 5 cm. Females showed nerves to be deeper at the point of bifurcation than males.

Strength–Duration Curves of Radial Nerve in Patients With Lateral Elbow Pain

2020 ◽  
Vol 29 (6) ◽  
pp. 754-759 ◽  
Author(s):  
Blanca de la Cruz Torres
Keyword(s):  
Radial Nerve ◽  
Tennis Elbow ◽  
Cross Sectional Study ◽  
Cross Sectional ◽  
Painful Condition ◽  
Duration Of Symptoms ◽  
Lateral Epicondyle ◽  
Lateral Elbow Pain ◽  
Left Limb ◽  
The Right

Context:Lateral epicondylalgia (LE) refers to a painful condition at or around the lateral epicondyle of the humerus. LE is one of the most common injuries of the elbow; however, the cause of the pathology is not clear. Patients often experience symptoms consistent with a radial nerve injury; however, data on the involvement of the radial nerve are needed.Objective:To analyze the relationship between electrophysiologic excitability and morphology of the radial nerve in patients with unilateral chronic LE.Design:Cross-sectional study.Setting:Department of Physiotherapy, University of Seville.Patients:A total of 56 elbows (28 right, 28 left) in 28 patients (12 females, 16 males; age 49 [7.37] y) were recruited by convenience sampling.Main Outcome Measures:Strength–duration curves (chronaxia and accommodation index) and cross-sectional area (CSA) of the radial nerve were made in all participants. All parameters were compared between both limbs. Also, pain with palpation in the lateral epicondyle and functional pain of involved extremities was assessed using visual analog scale and the Patient-Rated Tennis Elbow Evaluation, respectively.Results:Symptomatic limb showed higher CSA values of the radial nerve when compared with the asymptomatic limb (P < .001). On the symptomatic limb, duration of symptoms was positively correlated with CSA values. Chronaxia values were all normal and similar between both limbs (P = .35). Regarding accommodation index, 14 (54%) patients showed accommodation indices that suggested pathological radial nerve on the right limb, 4 (14%) on the left limb, 5 (18%) on both limbs, and 4 (14%) had none of the affected nerves. Eight-six percent of patients showed accommodation indices that suggested pathological radial nerve, independently of symptomatic limb. In these cases, affected nerves had higher CSA than the unaffected nerve (P = .01). On the affected nerves, duration of symptoms was positively correlated with accommodation indices.Conclusions:These findings suggest that patients with unilateral chronic LE show a decreased excitability in any radial nerve, independently of the symptomatic limb, and that pathological nerves have higher CSA than the nonpathological nerves.

scholarly journals Shear wave elastography of the radial nerve in healthy subjects

2021 ◽  
Vol 49 (1) ◽  
pp. 030006052098793
Author(s):  
Mohamed A Bedewi ◽  
Mamdouh A Kotb ◽  
Nasser M Aldossary ◽  
Ahmed M Abodonya ◽  
Ayman K Saleh ◽  
...  
Keyword(s):  
Shear Wave ◽  
Radial Nerve ◽  
Healthy Subjects ◽  
Shear Wave Elastography ◽  
Cross Sectional Study ◽  
Cross Sectional Area ◽  
Short Axis ◽  
Sectional Area ◽  
Cross Sectional ◽  
The Mean

Objective This study was performed to examine the sonoelastographic features of the radial nerve in healthy subjects. Methods In this observational cross-sectional study, shear wave elastography was used to evaluate the radial nerve. The cross-sectional area and stiffness were measured. Results The study included 37 nerves in 20 healthy adult subjects. The mean cross-sectional area of the radial nerve at the arm was 6.1 mm2. The mean stiffness of the radial nerve in the short axis was 30.3 kPa, and that in the long axis was 34.9 kPa. The elasticity measurements were significantly different between the long axis and short axis. Conclusion The elastic modulus of the radial nerve was studied in healthy subjects and can serve as a reference for future assessment of different radial nerve pathologies.

Prevalence of Work-Related Upper Limbs Symptoms (WRULS) Among Office Workers

2009 ◽  
Vol 21 (3) ◽  
pp. 252-258 ◽  
Author(s):  
Zairina Abdul Rahman ◽  
Abdul Sallam Atiya
Keyword(s):  
Odds Ratio ◽  
Cross Sectional Study ◽  
Office Workers ◽  
Upper Limbs ◽  
Sectional Study ◽  
Cross Sectional ◽  
Factors Associated ◽  
Work Related ◽  
The Mean ◽  
Self Administered Questionnaire

An analytical cross-sectional study was carried out to determine the prevalence of work-related upper limbs symptoms (WRULS) among office workers and factors associated with it. A self-administered questionnaire was used to collect the information. A total of 463 (87.7%) office workers from selected government agencies participated in this study. The mean age of the respondents was 34.1 years (range = 18-55 years). Majority (91.6%) were Malay and female (72.8%), and 58.1% were from clerical group. Mean duration of work was 8.7 years. This study found that prevalence of WRULS was 33.0% (95% CI [confidence interval] = 28.8%, 37.3%). Computer users at work had 2.0 (95% CI = 1.1, 3.4) higher odds ratio of developing WRULS and those who used it for 5 hours and more per day had 7.5 (95% CI = 2.3, 24.2) higher odds ratio of developing WRULS. Hand-intensive hobbies and higher education were also found to be associated with WRULS.

Brief Overview and Experience of Visual Evoked Potential of First 67 cases at Referral Neuroscience Hospital in Bangladesh

2020 ◽  
Vol 6 (2) ◽  
pp. 74-77
Author(s):  
Mohammad Enayet Hussain ◽  
Bithi Debnath ◽  
AFM Al Masum Khan ◽  
Md Ferdous Mian ◽  
Md Nahidul Islam ◽  
...  
Keyword(s):  
Multiple Sclerosis ◽  
Optic Neuritis ◽  
Clinical Diagnosis ◽  
Optic Neuropathy ◽  
Cross Sectional Study ◽  
P Value ◽  
Pattern Reversal ◽  
Cross Sectional ◽  
The Mean ◽  
Visual Evoked

Background: The visual evoked potentials (VEP) is a valuable tool to document occult lesions of the central visual channels especially within the optic nerve. Objectives: The purpose of the present study was to observe the findings of first few cases of VEP done in the neurophysiology department of the National Institute of Neurosciences (NINS), Dhaka, Bangladesh. Methodology: This cross-sectional study was conducted in the Department of Neurophysiology at the National Institute of Neurosciences and Hospital, Dhaka, Bangladesh from September 2017 to March 2020. All patients referred to the Neurophysiology Department of NINS for VEP were included. Pattern reversal VEPs were done using standard protocol set by International Federation of Clinical Neurophysiology (IFCN). Results: The mean age of the study population was 30.70 (±12.11) years (6-68 years) with 31 (46.3%) male and 36 (53.7%) female patients. The mean duration of illness was 8.71 (±1.78) months (3 days- 120 months). Most common presenting symptom was blurring of vision (37.3%) and dimness of vision (32.8%). Patterned VEP revealed mixed type (both demyelinating and axonal) of abnormality in most cases [29(43.35)]. The most common clinical diagnosis was multiple sclerosis (29.85%) and optic neuropathy (26.87%). In the clinically suspected cases of multiple sclerosis, optic neuropathy and optic neuritis most of the cases of VEP were abnormal and the p value is 0.04 in optic neuropathy and optic neuritis. Conclusion: The commonest presentation of the patients in this series were blurring of vision and dimness of vision. The most common clinical diagnosis for which VEP was asked for, was optic neuritis and multiple sclerosis. Most abnormalities were of mixed pattern (demyelinating and axonal). Journal of National Institute of Neurosciences Bangladesh, 2020;6(2): 74-77

Sonographic Assessment of Amniotic Fluid Volume using Single Deepest Pocket (SDP) among Igbo Women with Uncomplicated Singleton Pregnancies.

2019 ◽  
Vol 2 (1) ◽  
pp. 1-18
Author(s):  
Chijioke Okeudo ◽  
B.U. Ezem
Keyword(s):  
Amniotic Fluid ◽  
Gestational Age ◽  
Cross Sectional Study ◽  
Fluid Volume ◽  
Singleton Pregnancy ◽  
Cross Sectional ◽  
South Eastern ◽  
Amniotic Fluid Volume ◽  
The Mean ◽  
Singleton Pregnancies

Background: The amniotic fluid is fundamental for proper fetal development and growth. Ultrasound visualization of the amniotic fluid permits both subjective and objective estimates of the amniotic fluid. Objective: The objective of this study was to determine the reference values of normal single deepest pocket (SDP) – upper and lower limits, mean SDP and variation of the SDP with gestational age among Igbo women of South-Eastern Nigeria extraction carrying uncomplicated singleton pregnancy. Methodology: This was a prospective cross sectional study involving 400 women carrying uncomplicated singleton pregnancies and who were sure of the date of the first day of their last menstrual period. The single deepest pocket / maximum vertical pool were determined once at presentation at the hospital.. The study was conducted from January 1st to December 31st 2015. The second author carried out all the scanning. The SDP was obtained. Results: The womens’ mean and median ages were the same at 28 years. The gestational age range of the pregnancies was 14-41 weeks. The mean SDP was 5.8cm, while the 5th and 95th percentiles were 3.3cm and 8.5cm respectively. There was no difference in the mean SDP in both term and preterm. There was irregular but continuous rise of mean SDP to a peak of 6.8cm at gestational age of 39 weeks. In conclusion, the participants had a mean SDP of 5.8cm. There was also a positive correlation between SDP and Gestational age. We therefore recommend a longitudinal study to assess perinatal outcome and abnormal amniotic fluid volume among Igbo women of South-Eastern Nigeria. Key words: Single Deepest Pocket, Uncomplicated Singleton Pregnancy, Igbo Women.

Advantages and limitations of the endoscopic tympanoscopy a prospective study

2020 ◽  
Vol 1 (1) ◽  
pp. 012-017
Author(s):  
Najib Zouhair ◽  
Anass Chaouki ◽  
Amine M’khatri ◽  
Youssef Oukessou ◽  
Sami Rouadi ◽  
...  
Keyword(s):  
Middle Ear ◽  
Operating Time ◽  
Cross Sectional Study ◽  
Cross Sectional ◽  
Invasive Approach ◽  
Intraoperative Bleeding ◽  
Advantages And Disadvantages ◽  
Early Return ◽  
The Mean ◽  
Endoscopic Tympanoplasty

Tympanoplasty is one of the most performed procedures in ENT. The aggressiveness of its microscopic approach has led otologists to adopt the endoscopic approach as a less invasive alternative. The purpose of this work is to appreciate the advantages and disadvantages of this surgical technique. We conducted a prospective descriptive cross-sectional study on 20 interventions within the ENT department of August the 20th 1953 Hospital of Casablanca from April 2019 to June 2019. The average age of operated patients was 36.3 years. Perforations were unilateral in (71%) of the cases with a predominance of the anterior (29%) and subtotal (36%) locations. The tympanoplasties were performed by 3 different senior otologic surgeons, and were left in (57%). The mean operating time was (59.5 min) and the mean anesthesia duration was 75.1 min. Intraoperative vision allowed us to fully visualize the margins of all perforations (100%) and anatomical structures of the middle ear in almost all interventions. The first procedures carried out were filled with difficulties whose management of intraoperative bleeding was the main one in (42.8%) of the cases. (57%) procedures were described as easy. No complication was detected intraoperatively or immediately postoperatively. Endoscopic tympanoplasty has several advantages, including: Minimally invasive approach to the middle ear; panoramic perioperative vision; Gain of operating time; decrease in the duration of anesthesia; Valuable educational tool; postoperative comfort; Decrease in hospital stay and early return to daily activities; Better aesthetic rendering; cost and transportability. However, we also note a number of disadvantages of endoscopic tympanoplasty, particularly: performing the procedure with one hand; difficulty passing through the EAC; 2D vision that alters the perception of depth; management of intraoperative bleeding; fogging; learning curve.

Comparison of Heffner Criteria and Light Criteria in Differentiating Exudative and Transudative Pleural Effusion

2020 ◽  
Vol 22 (3) ◽  
pp. 141-145
Author(s):  
Krishna Chandra Devkota ◽  
S Hamal ◽  
PP Panta
Keyword(s):  
Pleural Effusion ◽  
Cross Sectional Study ◽  
Pleural Space ◽  
Sectional Study ◽  
Inclusion Criteria ◽  
Cross Sectional ◽  
Medical College ◽  
The Common ◽  
The Mean ◽  
Exudative Pleural Effusion

Pleural effusion is present when there is >15ml of fluid is accumulated in the pleural space. It can be divided into two types; exudative and transudative pleural effusion. Tuberculosis and parapneumonic effusion are the common cause of exudative pleural effusion whereas heart failure accounts for most of the cases of transudative pleural effusion. This study was a hospital based cross sectional study performed at Nepal Medical College during the period of January 2016-December 2016. A total of 50 patients who fulfilled the inclusion criteria were enrolled. Pleural effusion was confirmed by clinical examination and radiology. After confirmation of pleural effusion, pleural fluid was aspirated and was analysed for protein, LDH, cholesterol. The Heffner criteria was compared with Light criteria to classify exudative or transudative pleural effusion. Among 50 patients, 30 were male and 20 were female. The mean age of patient was 45.4±21.85 years. The sensitivity and specificity of using Light criteria to detect the two type of pleural effusion was 100% and 90.9%, whereas using Heffner criteria was 94.87%, 100% respectively(P<0.01). There are variety of causes for development of pleural effusion and no one criteria is definite to differentiate between exudative or transudative effusion. In this study Light criteria was more sensitive whereas Heffner criteria was more specific to classify exudative pleural effusion. Hence a combination of criteria might be useful in case where there is difficulty to identify the cause of pleural effusion.

scholarly journals High Adherence to the Mediterranean Diet Is Associated with a Reduced Risk of Obesity among Adults in Gulf Countries

Nutrients ◽  
2021 ◽  
Vol 13 (3) ◽  
pp. 995
Author(s):  
Israa M. Shatwan ◽  
Eiman A. Alhinai ◽  
Balqees Alawadhi ◽  
Shelini Surendran ◽  
Najlaa M. Aljefree ◽  
...  
Keyword(s):  
Mediterranean Diet ◽  
Total Sample ◽  
Cross Sectional Study ◽  
Inverse Association ◽  
Protective Effects ◽  
Hip Circumference ◽  
Cross Sectional ◽  
Gulf Countries ◽  
The Mean ◽  
The Mediterranean

The Mediterranean diet (MedDiet) is considered as a good example of a healthy dietary pattern that has protective effects on obesity. The aim of the present study was to assess the adherence of adults from three Gulf countries (Saudi Arabia, Oman, and Kuwait) to the MedDiet and its association with obesity risk. A cross-sectional study was conducted on 961 men and women (75.7%) aged 20–55 years old. Waist circumference (WC), and hip circumference (HC) were measured waist/hip ratio (WHR) and body mass index (BMI) were calculated. A validated 14-item Questionnaire was used to measure adherence to MedDiet. The mean of the adherence to MedDiet score was 5.9 ± 2.03 for the total sample. An inverse association was observed between the adherence to MedDiet and BMI after adjusting for potential confounders (p = 0.0003 in total participants, and p = 0.001 in women only). A protective effect was seen with a higher adherence to the MedDiet on HC, suggesting that a greater adherence to the MedDiet was associated with a decreased HC (p = 0.04 in total participants, and p = 0.01 in women only). In conclusion, low adherence to the MedDiet among participants from three gulf countries was associated with increased obesity indicators, BMI, and HC.

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