1.Age‑related changes in hematological and biochemical profiles of Wistar rats
Suresh PATEL ; Satish PATEL ; Ashvin KOTADIYA ; Samir PATEL ; Bhavesh SHRIMALI ; Nikita JOSHI ; Tushar PATEL ; Harshida TRIVEDI ; Jitendra PATEL ; Amit JOHARAPURKAR ; Mukul JAIN
Laboratory Animal Research 2024;40(1):84-95
Background:
Wistar rats are extensively used as the model for assessing toxicity and efficacy in preclinical research.Hematological and biochemical laboratory data are essential for evaluating specific variations in the physiological and functional profile of a laboratory animal. Establishing hematological and biochemical reference values for Wistar (han) rats at various age intervals was the goal of this work. Male and female Wistar rats (n = 660) of ages 6–8 weeks, 10–14 weeks and > 6 months were used in the experiment. Blood and serum were collected from these rats under fasting conditions.
Results:
We observed that the majority of hematological and biochemical parameters were significantly influenced by sex and age. Hematological changes were significantly correlated to aging were increased red blood cells, hemoglobin, hematocrit, neutrophils, monocytes and eosinophils in both sexes, as well as decreased platelet, mean corpuscular volume, mean corpuscular hemoglobin and lymphocytes in both sexes. White blood cells of male rats were considerably higher than those of female rats in all age ranges. For biochemistry, increase in glucose, total protein and creatinine were seen in both sexes, along with increases in urea in females and alanine aminotransferase in males.Age was significantly associated with decreased alkaline phosphatase in both sexes.
Conclusions
When using Wistar rats as a model, these reference values may be useful in evaluating the results.
2.Lumbar Spinal Steroid Injections and Infection Risk after Spinal Surgery: A Systematic Review and Meta-Analysis
Harshadkumar A. PATEL ; Naga Suresh CHEPPALLI ; Amit Wasudeo BHANDARKAR ; Vidhi PATEL ; Anuj SINGLA
Asian Spine Journal 2022;16(6):947-957
Lumbar spinal steroid injections (LSSI) are universally used as preferred diagnostic or therapeutic treatment options before major spinal surgeries. Some recent studies have reported higher risks of surgical-site infection (SSI) for spinal surgeries performed after injections, while others have overlooked such associations. The purpose of this study is to systematically review the literature and perform a meta-analysis to evaluate the associations between preoperative LSSI and postoperative infection following subsequent lumbar decompression and fusion procedures. Three databases, namely PubMed, Scopus, and Cochrane Library, were searched for relevant studies that reported the association of spinal surgery SSI with spinal injections. After the comprehensive sequential screening of the titles, abstracts, and full articles, nine studies were included in a systematic review, and eight studies were included in the meta-analysis. Studies were critically appraised for bias using the validated MINOR (methodological index for non-randomized studies) score. The odds ratio (OR) and 95% confidence interval (CI) were calculated. Subgroup analysis was performed according to the time between LSSI and surgery and the type of lumbar spine surgery. Meta-analysis showed that preoperative LSSI within 30 days of lumbar spine surgery was associated with significantly higher postoperative infection compared with the control group (OR,1.79; 95% CI, 1.08–2.96). Based on subgroup analysis, lumbar spine fusion surgery within 30 days of preoperative LSSI was associated with significantly high-infection rates (OR, 2.67; 95% CI, 2.12–3.35), while no association was found between preoperative LSSI and postoperative infection for lumbar spine decompression surgeries. In summary, given the absence of high-level studies in the literature, careful clinical interpretation of the results should be performed. The overall risk of SSI was slightly higher if the spinal surgery was performed within 30 days after LSSIs. The risk was higher for lumbar fusion cases but not for decompression-only procedures.
3.Study of Patients with Bilateral Knee Osteoarthritis Undergoing Total Knee Replacement Procedure with Coexisting Lumbar Spondylosis Symptoms
Sanjay Bhalchandra LONDHE ; Ravi Vinod SHAH ; Meghana PATWARDHAN ; Amit Pankaj DOSHI ; Shubhankar Sanjay LONDHE ; Kavita SUBHEDAR ; Vishal KUNDNANI ; Jwalant PATEL
Asian Spine Journal 2021;15(6):825-830
Methods:
The study included 200 patients (164 females, 36 males) undergoing primary TKR. Follow-up was performed at 4 weeks, 3, 6, 12, and 24 months. Lumbar spine and knee symptom improvements were assessed using the Oswestry Disability Index (ODI) and Oxford Knee Score, respectively.
Results:
All 200 patients undergoing bilateral TKR presented with radiographic lumbar spine degenerative pathology; 60% (n=120) of the patients presented with moderate to severe clinical symptoms of lumbar spondylosis, including 54% (n=108) with degenerative lumbar spondylosis and lumbar canal stenosis and 6% (n=12) with degenerative spondylolisthesis. Of the 120 patients who presented with lumbar spine problems, 90% (n=108) reported improvement in their symptoms; the ODI score improved from 42.5%±4.1% preoperative score to 15.6%±2.3% postoperative score (p -value<0.001). Of the 12 patients with no improvement, 10 patients underwent percutaneous procedures for their lumbar spine pathology with good results, one patient underwent surgery, and one declined any intervention.
Conclusions
A significant number of patients (60%) undergoing bilateral TKR also present with symptomatic lumbar spine problems. Patients with mild to moderate lumbar spine degenerative symptoms and no associated severe radiating pain on activity are more likely to experience relief of their symptoms post-TKR.
4.Response to: Study of Patients with Bilateral Knee Osteoarthritis Undergoing Total Knee Replacement Procedure with Coexisting Lumbar Spondylosis Symptoms
Sanjay Bhalchandra LONDHE ; Ravi Vinod SHAH ; Meghana PATWARDHAN ; Amit Pankaj DOSHI ; Shubhankar Sanjay LONDHE ; Kavita SUBHEDAR ; Vishal KUNDNANI ; Jwalant PATEL
Asian Spine Journal 2022;16(2):304-306
5.Simultaneous bilateral shoulder and bilateral central acetabular fracture dislocation: What to do?
Hardik SHETH ; Abhijeet-Ashok SALUNKE ; Ramesh PANCHAL ; Jimmy CHOKSHI ; G-I NAMBI ; Saranjeet SINGH ; Amit PATEL ; Ranu SHETH
Chinese Journal of Traumatology 2016;19(1):59-62
Musculoskeletal injuries following seizures have a high morbidity and mortality. These injuries are often missed and the diagnosis is delayed due to a lack of clinical suspicion and appropriate investigations.We report a case of 72 years old male with simultaneous bilateral central acetabular fracture dislocation and bilateral posterior shoulder fracture dislocation secondary to an epileptic seizure. Present study high- lights the significance of clinical suspicion and clinico-radiological evaluation for diagnosis of a rare injury following episode of seizures. Simultaneous fracture dislocation of all four limbs treated with a holistic approach can lead to a good functional recovery. Surgical management with open reduction and internal fixation is preferred and replacement arthroplasty should be reserved for cases with implant failure and elderly patients.
Acetabulum
;
injuries
;
Aged
;
Epilepsy
;
complications
;
Fracture Dislocation
;
diagnostic imaging
;
surgery
;
Fractures, Bone
;
surgery
;
Humans
;
Male
;
Shoulder Fractures
;
diagnostic imaging
;
surgery
6.Screening for Barrett's Esophagus: Balancing Clinical Value and Cost-effectiveness
Amit PATEL ; C Prakash GYAWALI
Journal of Neurogastroenterology and Motility 2019;25(2):181-188
In predisposed individuals with long standing gastroesophageal reflux disease (GERD), esophageal squamous mucosa can transform into columnar mucosa with intestinal metaplasia, commonly called Barrett's esophagus (BE). Barrett's mucosa can develop dysplasia, which can be a precursor for esophageal adenocarcinoma (EAC). However, most EAC cases are identified when esophageal symptoms develop, without prior BE or GERD diagnoses. While several gastrointestinal societies have published BE screening guidelines, these vary, and many recommendations are not based on high quality evidence. These guidelines are concordant in recommending targeted screening of predisposed individuals (eg, long standing GERD symptoms with age > 50 years, male sex, Caucasian race, obesity, and family history of BE or EAC), and against population based screening, or screening of GERD patients without risk factors. Targeted endoscopic screening programs provide earlier diagnosis of high grade dysplasia and EAC, and offer potential for endoscopic therapy, which can improve prognosis and outcome. On the other hand, endoscopic screening of the general population, unselected GERD patients, patients with significant comorbidities or patients with limited life expectancy is not cost-effective. New screening modalities, some of which do not require endoscopy, have the potential to reduce costs and expand access to screening for BE.
Adenocarcinoma
;
Barrett Esophagus
;
Comorbidity
;
Diagnosis
;
Endoscopy
;
European Continental Ancestry Group
;
Gastroesophageal Reflux
;
Hand
;
Humans
;
Life Expectancy
;
Male
;
Mass Screening
;
Metaplasia
;
Mucous Membrane
;
Obesity
;
Prognosis
;
Risk Factors
7.Esophageal Baseline Impedance From High-resolution Impedance Manometry Correlates With Mean Nocturnal Baseline Impedance From pH-impedance Monitoring
Anthony HORTON ; Brian SULLIVAN ; Katie CHARLES ; Thasha MCINTOSH ; Andrea DAVIS ; Ziad GELLAD ; Rahul SHIMPI ; C Prakash GYAWALI ; Amit PATEL
Journal of Neurogastroenterology and Motility 2020;26(4):455-462
Background/Aims:
Esophageal baseline impedance (BI) can be extracted from pH-impedance tracings as mean nocturnal baseline impedance (MNBI), and from high-resolution impedance manometry (HRIM), but it is unknown if values are similar between acquisition methods across HRIM manufacturers. We aim to assess correlations between MNBI and BI from HRIM (BI-HRIM) from 2 HRIM manufacturers in the setting of physiologic acid exposure time (AET).
Methods:
HRIM and pH-impedance monitoring demonstrating physiologic AET (< 4%) off proton pump inhibitors were required. BI-HRIM was extracted as the average from 5 cm and 10 cm above the lower esophageal sphincter. Distal BI-HRIM (DBI-HRIM) was also extracted from the most distal channel (Medtronic studies). MNBI was extracted from 6 channels. Concordance between BI-HRIM across manufacturers with MNBI was analyzed.
Results:
Thirty-six patients met the inclusion criteria (59.6 ± 1.7 years; 22% female; body mass index 30.5 ± 0.7; AET 1.6 ± 0.2%). Although MNBI was similar at all channels (P ≥ 0.18), Diversatek BI-HRIM was lower than Medtronic BI-HRIM (P = 0.003). Overall, BI-HRIM correlated with MNBI at corresponding recording sites, 7 cm and 9 cm (P < 0.05), but not at other sites (P≥ 0.19). Pearson’s correlations > 0.5 were seen at MNBI at 7 cm for both systems, and at 9 cm for Medtronic. DBI-HRIM correlated with MNBI at 3 cm and 5 cm (P < 0.03), but not at other locations (P > 0.1).
Conclusions
While numeric differences exist between manufacturers, BI-HRIM correlates with MNBI from corresponding channels in patients with physiologic AET. Comparison with AET elevation is needed to determine correlations between pathologic MNBI with BI-HRIM across manufacturers. The optimal HRIM channels from which BI values should be extracted also warrants further study.
8.Evaluating the effects of age on the long-term functional outcomes following anatomic total shoulder arthroplasty
Troy LI ; Akiro H. DUEY ; Christopher A. WHITE ; Amit PUJARI ; Akshar V. PATEL ; Bashar ZAIDAT ; Christine S. WILLIAMS ; Alexis WILLIAMS ; Carl M. CIRINO ; Dave SHUKLA ; Bradford O. PARSONS ; Evan L. FLATOW ; Paul J. CAGLE
Clinics in Shoulder and Elbow 2023;26(3):231-237
Methods:
Among the patients who underwent TSA, 119 shoulders were retrospectively analyzed. Preoperative and postoperative clinical outcome data were collected. Linear regression analysis (univariate and multivariate) was conducted to evaluate the associations of clinical outcomes with age. Kaplan-Meier curves and Cox regression analyses were performed to evaluate implant survival.
Results:
At final follow-up, patients of all ages undergoing aTSA experienced significant and sustained improvements in all primary outcome measures compared with preoperative values. Based on multivariate analysis, age at the time of surgery was a significant predictor of postoperative outcomes. Excellent implant survival was observed over the course of this study, and Cox regression survival analysis indicated age and sex to not be associated with an increased risk of implant failure.
Conclusions
When controlling for sex and follow-up duration, older age was associated with significantly better patient-reported outcome measures. Despite this difference, we noted no significant effects on range of motion or implant survival.Level of evidence: IV.
9.Peri-implantitis and Practical Management: A Review
Nor Haliza Mat-Baharin ; Amit Patel
Archives of Orofacial Sciences 2022;17(SUPP 1):11-19
ABSTRACT
At present, with an increasing number of implants placed, peri-implant diseases are also increasing.
The inclusion of peri-implant disease in the latest classification of periodontal disease shows the global
significance of the disease in addition to periodontal disease. Management for peri-implantitis is more
complicated and similar to periodontitis, and bone loss is irreversible. Numerous studies throughout
the decades were conducted using various techniques investigating the best method in treating peri-implantitis. Therefore, this article will explore the latest evidence for peri-implantitis and its management.
Peri-Implantitis
10.Developing a coordinate-based strategy to support cognitive targeted prostate biopsies and correlative spatial-histopathological outcome analysis.
Keiran D CLEMENT ; Lizzy DAY ; Helen ROONEY ; Matt NEILSON ; Fiona BIRRELL ; Mark SALJI ; Elizabeth NORMAN ; Ross CLARK ; Amit PATEL ; John MORRISON ; Hing Y LEUNG
Asian Journal of Andrology 2021;23(3):231-235
Lack of investment for magnetic resonance (MR) fusion systems is an obstacle to deliver targeted prostate biopsies within the prostate cancer diagnostic pathway. We developed a coordinate-based method to support cognitive targeted prostate biopsies and then performed an audit on cancer detection and the location of lesions. In each patient, the prostate is considered as two separate hemiprostates, and each hemiprostate is divided into 4 × 4 × 4 units. Each unit is therefore defined by a three-dimensional coordinate. We prospectively applied our coordinates approach to target 106 prostatic lesions in 93 men. Among 45 (of 106; 42.5%) lesions positive for cancer, 27 lesions (60.0%) harbored clinically significant disease. PSA density was significantly higher in patients with proven cancer (median: 0.264 ng ml