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1.
Healthcare (Basel) ; 11(23)2023 Dec 01.
Article in English | MEDLINE | ID: mdl-38063650

ABSTRACT

In the landscape of sleep surgery, the Inspire® Upper Airway Stimulation (UAS) device has gained prominence as an increasingly popular treatment option for obstructive sleep apnea, prompting significant discourse across social media platforms. This study explores the social media narrative of the UAS device, particularly the nature of multimedia content, author demographics, and audience engagement on Instagram, Facebook, and TikTok. Our analysis encompassed 423 public posts, revealing images (67.4%) and videos (28.1%) as the dominant content types, with over a third of posts authored by physicians. A notable 40% of posts were advertisements, whereas patient experiences comprised 34.5%. TikTok, although presenting a smaller sample size, showed a substantially higher engagement rate, with posts averaging 152.9 likes, compared with Instagram and Facebook at 32.7 and 41.2 likes, respectively. The findings underscore the need for otolaryngologists and healthcare professionals to provide clear, evidence-based information on digital platforms. Given social media's expanding role in healthcare, medical professionals must foster digital literacy and safeguard the accuracy of health information online. In this study, we concluded that maintaining an evidence-based, transparent digital dialogue for medical innovations such as the UAS device necessitates collaborative efforts among physicians, health institutions, and technology companies.

2.
J Prim Care Community Health ; 13: 21501319221123471, 2022.
Article in English | MEDLINE | ID: mdl-36082456

ABSTRACT

INTRODUCTION/OBJECTIVE: The prevalence of Type 2 Diabetes Mellitus is increasing in the older American population, especially Mexican Americans. Sleep disorders are common in older adults with T2DM. This study examined the relationship between T2DM-related complications and sleep complaints in older Mexican Americans over 9 years of follow-up. METHODS: Study included 310 participants aged 77 years or older with self-reported diabetes from the Hispanic Established Population for the Epidemiological Study of the Elderly (2007/08-2016). RESULTS: Of the 310 participants, the mean age was 82.04 years. The cohort had significantly more females (69.03%) than males (30.97%). A substantial number of participants had trouble falling asleep (16.13%), waking up several times (36.45%), trouble staying asleep (15.16%), and feeling tired and worn out after waking up (12.90%). The percent of diabetes complications were 70.2% for circulation problems, 58.2% for eye disorders, 15.9% for kidney disease, and 4.4% for amputation. Participants who experienced sleep complaints for 15 or more days in a month were more likely to experience diabetic complications. DISCUSSION: This study demonstrated a significant relationship between T2DM macro- and micro-vascular complications and increased risk of sleep disorders in older Mexican Americans.


Subject(s)
Diabetes Complications , Diabetes Mellitus, Type 2 , Sleep Wake Disorders , Aged , Aged, 80 and over , Diabetes Complications/epidemiology , Diabetes Mellitus, Type 2/complications , Diabetes Mellitus, Type 2/epidemiology , Female , Humans , Male , Mexican Americans , Sleep , Sleep Wake Disorders/epidemiology
3.
Life (Basel) ; 12(8)2022 Aug 12.
Article in English | MEDLINE | ID: mdl-36013401

ABSTRACT

Patients with obstructive sleep apnea (OSA) have high rates of co-occurring type 2 diabetes, hypertension, obesity, stroke, congestive heart failure, and accelerated atherosclerotic cardiovascular diseases. These conditions frequently require multiple medications, raising the risk of polypharmacy, adverse drug-drug and drug-disease interactions, decreased quality of life, and increased healthcare cost in these patients. The current review of extant literature presents evidence supporting glucagon-like peptide-1 receptor agonists (GLP-1RA) as one pharmacologic intervention that provides a "one-stop shop" for OSA patients because of the multiple effects GLP-1RA has on comorbidities (e.g., hypertension, diabetes, obesity, metabolic syndrome, and atherosclerotic cardiovascular diseases) that commonly co-occur with OSA. Examples of glucagon-like peptide-1 receptor agonists approved by the FDA for diabetes (some of which are also approved for obesity) are liraglutide, exenatide, lixisenatide, dulaglutide, semaglutide, and albiglutide. Prescribing of GLP-1RAs to address these multiple co-occurring conditions has enormous potential to reduce polypharmacy, cost, and adverse drug events, and to improve quality of life for patients living with OSA and diabetes. We thus strongly advocate for increased and early use of GLP-1RA in OSA patients with co-occurring diabetes and other cardiometabolic conditions common in OSA.

4.
JAMIA Open ; 5(2): ooac045, 2022 Jul.
Article in English | MEDLINE | ID: mdl-35702624

ABSTRACT

Objective: Scanned documents in electronic health records (EHR) have been a challenge for decades, and are expected to stay in the foreseeable future. Current approaches for processing include image preprocessing, optical character recognition (OCR), and natural language processing (NLP). However, there is limited work evaluating the interaction of image preprocessing methods, NLP models, and document layout. Materials and Methods: We evaluated 2 key indicators for sleep apnea, Apnea hypopnea index (AHI) and oxygen saturation (SaO2), from 955 scanned sleep study reports. Image preprocessing methods include gray-scaling, dilating, eroding, and contrast. OCR was implemented with Tesseract. Seven traditional machine learning models and 3 deep learning models were evaluated. We also evaluated combinations of image preprocessing methods, and 2 deep learning architectures (with and without structured input providing document layout information), with the goal of optimizing end-to-end performance. Results: Our proposed method using ClinicalBERT reached an AUROC of 0.9743 and document accuracy of 94.76% for AHI, and an AUROC of 0.9523 and document accuracy of 91.61% for SaO2. Discussion: There are multiple, inter-related steps to extract meaningful information from scanned reports. While it would be infeasible to experiment with all possible option combinations, we experimented with several of the most critical steps for information extraction, including image processing and NLP. Given that scanned documents will likely be part of healthcare for years to come, it is critical to develop NLP systems to extract key information from this data. Conclusion: We demonstrated the proper use of image preprocessing and document layout could be beneficial to scanned document processing.

5.
Brain Sci ; 12(5)2022 Apr 30.
Article in English | MEDLINE | ID: mdl-35624973

ABSTRACT

A growing body of research documents the persistence of physical and neuropsychiatric symptoms following the resolution of acute COVID-19 infection. To the best of our knowledge, no published study has examined the interaction between insomnia and mental health. Accordingly, we proposed to examine new diagnoses of insomnia, and referrals to pulmonary and sleep medicine clinics for treatment of sleep disorders, in patients presenting to one post-acute COVID-19 recovery clinic. Additionally, we aimed to examine the relationship between poor sleep quality, depression, anxiety, and post-traumatic stress. Patients presented to the clinic on average 2 months following COVID-19 infection; 51.9% (n = 41) were hospitalized, 11.4% (n = 9) were in the intensive care unit, 2.5% (n = 2) were on a mechanical ventilator, and 38.0% (n = 30) were discharged on oxygen. The most commonly reported symptom was fatigue (88%, n = 70), with worse sleep following a COVID-19 infection reported in 50.6% (n = 40). The mean PSQI score was 9.7 (82.3%, n = 65 with poor sleep quality). The mean GAD-7 score was 8.3 (22.8%, n = 14 with severe depression). The mean PHQ-9 was 10.1 (17.8%, n = 18 with severe anxiety). The mean IES-6 was 2.1 (54.4%, n = 43 with post-traumatic stress). Poor sleep quality was significantly associated with increased severity of depression, anxiety, and post-traumatic stress. Future work should follow patients longitudinally to examine if sleep, fatigue, and mental health symptoms improve over time.

6.
Infect Genet Evol ; 92: 104882, 2021 08.
Article in English | MEDLINE | ID: mdl-33905889

ABSTRACT

With the background of association of oxidative stress and Hepatitis E virus (HEV) infection in pregnancy complications the present novel study aimed to evaluate the significance of changes in maternal homocysteine levels and the related mechanism(s) in the pathophysiology of HEV related pregnancy complications and negative outcomes. Term delivery (TD, N = 194) and HEV-IgM positive pregnancy cases [N = 109] were enrolled. Serum and placental homocysteine levels were evaluated by ELISA and immunofluorescence and in turn correlated with serum Vitamin B12 levels. Distribution of variant MTHFR C➔T and TYMS1494del6bp genotyping were studied by PCR-RFLP. Differential folate receptor alpha (FR-α) expression in placenta was evaluated by real-time PCR and immunofluorescence respectively. The HEV viral load was significantly higher in both FHF and AVH cases. Higher serum homocysteine levels was associated with preterm delivery (PTD) and fetal death in HEV infected cases and was significantly inversely correlated with serum VitaminB12 levels in HEV cases. Placental homocysteine expression was upregulated in HEV cases, and in cases with negative pregnancy outcome. A Homocysteine level was associated with MTHFR C677T status. Genetic alterations in folate pathway was associated with increased risk of PTD in HEV infected pregnancy cases, disease severity, and negative pregnancy outcome in AVH and FHF groups. FR-α expression was downregulated in placental tissues of HEV infected pregnancy.Placental stress caused by HEV inflicted increased homocysteine due to alterations in maternal vitamin B12 levels and folate pathway components is detrimental mechanism in PTD and negative pregnancy outcome in HEV infected pregnancy cases and holds prognostic and therapeutic significance.


Subject(s)
Hepatitis E/metabolism , Hepevirus/physiology , Homocysteine/metabolism , Oxidative Stress , Pregnancy Complications, Infectious/metabolism , Adult , Female , Hepatitis E/virology , Humans , India , Pregnancy , Pregnancy Complications, Infectious/virology , Young Adult
7.
Curr Probl Cancer ; 44(5): 100556, 2020 10.
Article in English | MEDLINE | ID: mdl-32044043

ABSTRACT

BACKGROUND: Molecular pathogenesis of Triple-negative breast cancer (TNBC) is inconclusively documented from resource limited countries and hence there is a lack of available targeted therapy for clinical interventions. Compared to other breast cancer subtypes, TNBC is more aggressive, higher recurrence rate, and higher prevalence in younger premenopausal women. Sporadic literature indicates predominance of TNBC in all reported breast cancer cases from Northeast India. AIM: This study was conducted to evaluate the candidature of panel of key molecular markers involved in the development and progression of TNBC for prognosis and futuristic tailored targeted therapy. MATERIALS AND METHODS: We analyzed the clinicopathological characterized and immunohistochemically screened the differential expression of key molecular markers involved in the development and progression of in TNBC cases vis-a-vis non-TNBC and autopsy-based control samples. RESULTS: TNBC tends to display at an early reproductive age and is more aggressive in nature. Further, the differential expression of 2 specific markers viz., epidermal growth factor receptor (EGFR) and FolR1 was higher in TNBC cases compared to controls and non-TNBC (both in terms of susceptibility and specificity), clinical staging in TNBC cases (severity) and mortality (outcome). Although Ki67 and vascular endothelial growth factor expression also correlated with severity and outcome of the disease but their differences in non-TNBC cases were not significantly differentiable compared to TNBC. CONCLUSIONS: The study indicates that EGFR and FolR1 could serve as useful biomarkers to determine TNBC prognosis. Further studies will be needed to evaluate EGFR and Folate pathways in order to screen out the molecular targets which may be meaningfully used for clinical stratification, intervention, and treatment.


Subject(s)
Biomarkers, Tumor/metabolism , Carcinoma, Ductal, Breast/pathology , Carcinoma, Lobular/pathology , Folate Receptor 1/metabolism , Triple Negative Breast Neoplasms/pathology , Carcinoma, Ductal, Breast/epidemiology , Carcinoma, Ductal, Breast/metabolism , Carcinoma, Ductal, Breast/surgery , Carcinoma, Lobular/epidemiology , Carcinoma, Lobular/metabolism , Carcinoma, Lobular/surgery , ErbB Receptors/metabolism , Female , Follow-Up Studies , Humans , India/epidemiology , Middle Aged , Prognosis , Prospective Studies , Survival Rate , Triple Negative Breast Neoplasms/epidemiology , Triple Negative Breast Neoplasms/metabolism , Triple Negative Breast Neoplasms/surgery
8.
J Cell Biochem ; 121(4): 2782-2791, 2020 04.
Article in English | MEDLINE | ID: mdl-31692038

ABSTRACT

Lacunae exist in the molecular event(s) specificity associated with cervical cancer (CaCx) pathogenesis. The present study aimed to evaluate the significance of telomerase-cervical cancer stem cells (CSCs) modulation in CaCx pathogenesis with underlying HPV16 infection. The study included HPV16 positive cases only (N = 65) of the total enrolled cases from Northeast India. The analysis of viral load and the differential messenger RNA expression of E6, E7, hTERT, hTR, and cancer stem-cell markers was studied by real-time polymerase chain reaction. Further the protein and colocalization study for E6, hTERT, and oct4 was performed by immunofluorescence. The real-time polymerase chain reaction based analysis showed an upregulation of HPV16 viral oncoprotein E6 and E7, and telomerase component hTERT and hTR expression and their correlation in CaCx susceptibility and severity. The hTERT expression correlated with viral load; while the E6 and telomerase protein expression colocalized in the nucleus. The CSCs marker octamer-binding transcription factor 4 (OCT4) was significantly upregulated in CaCx cases, was associated with CaCx susceptibility and severity, and colocalized with E6 expression in the nucleus as revealed from the immunofluorescence studies. To conclude, the telomerase-OCT4 axis modulation holds key in HPV16 CaCx pathogenesis mediated by HPV16 E6 viral oncoprotein expression, and underlines its potential for therapeutic targeting.


Subject(s)
Human papillomavirus 16 , Neoplastic Stem Cells/cytology , Octamer Transcription Factor-3/metabolism , Telomerase/metabolism , Uterine Cervical Neoplasms/metabolism , Uterine Cervical Neoplasms/virology , Adult , Aged , Cell Nucleus/metabolism , Female , Gene Expression Regulation, Neoplastic , Humans , Microscopy, Fluorescence , Middle Aged , Oncogene Proteins, Viral/metabolism , Papillomavirus E7 Proteins/metabolism , Real-Time Polymerase Chain Reaction , Repressor Proteins/metabolism , Viral Load , Young Adult
9.
Free Radic Res ; 53(5): 473-485, 2019 May.
Article in English | MEDLINE | ID: mdl-31117842

ABSTRACT

Gallbladder cancer (GBC) is a fatal condition with dismal prognosis and aggressive local invasiveness; and with uncharacterised molecular pathology relating to non-specific therapeutic modalities. Given the importance of oxidative stress in chronic diseases and carcinogenesis, and the lacunae in literature regarding its role in gallbladder diseases, this study aimed to study the involvement of oxidative stress and deregulation in the base excision repair (BER) pathway in the pathogenesis of gallbladder diseases including GBC. This study involved patients from the North-East Indian population, where the numbers of reported cases are increasing rapidly and alarmingly. Oxidative stress, based on 8-OH-dG levels, was found to be significantly higher in gallbladder anomalies (cholelithiasis [CL] and cholecystitis [CS]) and GBC at the plasma and DNA level, and was associated with GBC severity. The expressions of key BER pathway genes were downregulated in gallbladder anomalies and GBC compared to controls, and in GBC compared to both non-neoplastic controls and gallbladder anomalies. Expression of XRCC1 and hOGG1 was significantly associated with both susceptibility and severity of GBC. The XRCC1 codon280 polymorphism was associated with disease susceptibility; and significantly higher oxidative stress was observed in hOGG1 genotypic variants. The genomes of GBC patients were found to be more hypermethylated compared to controls, with the promoters of XRCC1 and hOGG1 being hypermethylated and, therefore, being silenced. This study underlined the prognostic significance of the oxidative stress marker 8-OH-dG and BER pathway genes, especially hOGG1 and XRCC1, in gallbladder anomalies and GBC, as well as stated their potential for therapeutic targeting.


Subject(s)
Cholecystitis/genetics , Cholelithiasis/genetics , DNA Glycosylases/genetics , DNA Repair , Gallbladder Neoplasms/genetics , Gene Expression Regulation, Neoplastic , X-ray Repair Cross Complementing Protein 1/genetics , 8-Hydroxy-2'-Deoxyguanosine/metabolism , Adolescent , Adult , Aged , Case-Control Studies , Cholecystitis/complications , Cholecystitis/pathology , Cholecystitis/surgery , Cholelithiasis/complications , Cholelithiasis/pathology , Cholelithiasis/surgery , DNA Glycosylases/metabolism , DNA Methylation , Female , Gallbladder/metabolism , Gallbladder/pathology , Gallbladder/surgery , Gallbladder Neoplasms/complications , Gallbladder Neoplasms/pathology , Gallbladder Neoplasms/surgery , Genetic Predisposition to Disease , Humans , India , Male , Middle Aged , Neoplasm Invasiveness , Oxidative Stress/genetics , Polymorphism, Single Nucleotide , Prognosis , Promoter Regions, Genetic , Severity of Illness Index , Signal Transduction , X-ray Repair Cross Complementing Protein 1/metabolism
10.
Sleep Breath ; 23(1): 193-200, 2019 Mar.
Article in English | MEDLINE | ID: mdl-29931497

ABSTRACT

OBJECTIVE: Growing evidence supports that patients with chronic obstructive pulmonary disease (COPD) and coexisting obstructive sleep apnea (OSA) have poor prognosis. This association is described as overlap syndrome. Positive airway pressure (PAP) therapy is now the preferred treatment for OSA. We hypothesized that use of PAP therapy in elderly patients with overlap syndrome would be associated with lower healthcare utilization. METHODS: In this retrospective cohort study, we analyzed data from 5% national sample of fee-for-service Medicare beneficiaries with a diagnosis of COPD who were newly started on PAP therapy in 2011. We examined the effect of PAP therapy on emergency room (ER) visits and hospitalizations for all-cause and COPD-related conditions in the 1 year pre- and 1 year post-initiation of PAP therapy. RESULTS: In year 2011, we identified 319 patients with overlap syndrome who were new users of PAP therapy. In this cohort of patients, hospitalization rates for COPD-related conditions were significantly lower in the 1 year post-initiation of PAP therapy compared to the 1-year pre-initiation period (19.4 vs 25.4%, P value = 0.03). However, ER visits (for any cause or COPD-related conditions) and hospitalization rates for any cause did not differ significantly in the pre- and post-initiation periods. PAP therapy was more beneficial in older adults, those with higher COPD complexity, and those with three or more comorbidities. CONCLUSION: Initiation of PAP therapy in elderly patients with overlap syndrome is associated with a reduction in hospitalization for COPD-related conditions, but not for all-cause hospitalizations and ER visits.


Subject(s)
Continuous Positive Airway Pressure/statistics & numerical data , Hospitalization/statistics & numerical data , Medicare/statistics & numerical data , Pulmonary Disease, Chronic Obstructive/therapy , Sleep Apnea, Obstructive/therapy , Vascular Endothelial Growth Factor A/blood , Adult , Comorbidity , Humans , Pulmonary Disease, Chronic Obstructive/epidemiology , Sleep Apnea, Obstructive/epidemiology , United States
11.
Gene ; 621: 51-58, 2017 Jul 20.
Article in English | MEDLINE | ID: mdl-28414093

ABSTRACT

BACKGROUND: Triple-Negative breast cancer (TNBC), accounts for a large percentage of breast cancer cases in India including Northeast India. TNBC has an unclear molecular aetiology and hence limited targeted therapies. Human breast is comprised of glandular, ductal, connective, and adipose tissues. Adipose tissue is composed of adipocytes. The adipocytes apart from being energy storage depots, are also active sources of adipocytokines and/or adipokines. The role of adipokines in breast cancer including TNBC has been sporadically documented. Two adipokines in particular, leptin and adiponectin, have come to be recognized for their influence on breast cancer risk and tumour biology. Therefore, the aim of this study was to understand the association of differential expression of critical adipokines and associated cellular mechanism in the susceptibility and severity of TNBC in northeast Indian population. MATERIALS AND METHODS: We collected 68 TNBC and 63 controls cases and examined for serum leptin and adiponectin levels using enzyme linked immunosorbent assay (ELISA). Leptin Receptor (Ob-R) mRNA expression was determined by real-time polymerase chain reaction (RT-PCR) assay. Differential Ob-R mRNA expression and correlation with cancer stem cell (CSC) markers was evaluated, and correlated with severity. RESULTS: The serum leptin levels were significantly associated with TNBC severity, while the adiponectin levels were comparative. The serum leptin levels correlated inversely with the adiponetin levels. Serum leptin levels were unaffected with difference in parity. The difference in leptin levels in pre and post menopausal cases were found to be statistically non-significant. Higher leptin levels were also found to be associated obesity, mortality and recurrence. Obesity was found to be a factor for TNBC pathogenesis and severity. Increased Ob-R mRNA expression was associated with TNBC, significantly with TNBC severity, and was significantly higher in obese patients with higher grade TNBC cases. The Ob-R gene mRNA expression was significantly higher in the obese TNBC cases showing recurrence or mortality. The higher Ob-R gene mRNA expression correlated significantly with higher serum leptin levels and lower serum adiponectin levels in TNBC cases. The Ob-R mRNA expression with associated with modulation of CSC oct4 and nanog. CONCLUSIONS: In conclusion, the present study is first of its kind on TNBC from northeast India, indicates that adipocytokines does play a role in TNBC pathogenesis. Thus, the understanding of molecular mechanisms of both leptin and adiponectin and their interplay in TNBC offer the prospects for new therapeutic approaches targeting similar signalling pathways.


Subject(s)
Adiponectin/blood , Biomarkers, Tumor/blood , Carcinoma/blood , Leptin/blood , Receptors, Leptin/metabolism , Triple Negative Breast Neoplasms/blood , Adult , Aged , Carcinoma/pathology , Case-Control Studies , Female , Humans , India , Middle Aged , Nanog Homeobox Protein/genetics , Nanog Homeobox Protein/metabolism , Neoplastic Stem Cells/metabolism , Obesity/blood , Obesity/epidemiology , Octamer Transcription Factor-3/genetics , Octamer Transcription Factor-3/metabolism , Receptors, Leptin/genetics , Triple Negative Breast Neoplasms/epidemiology , Triple Negative Breast Neoplasms/pathology
12.
J Reprod Immunol ; 118: 76-84, 2016 11.
Article in English | MEDLINE | ID: mdl-27728856

ABSTRACT

Preterm delivery (PTD) is one of the potent contributor of neonatal mortality and morbidity, and the underlying cause in some situation is elusive. This study attempts to delineate the association of deregulation in progesterone receptor (PR) pathway and deleterious immune responses in predisposing patients to PTD in Northeast India, a region with high rate of PTD cases. A total of 109 cases of PTD and 100 term delivery cases were enrolled with all clinical details. The PTD cases were stratified based on gestation age at delivery. The differential expression of PR and key downstream effectors and cytokines were evaluated for correlation with PTD susceptibility, gestational period, and pregnancy outcome. The results indicated a sharp downregulation in PR expression is associated with PTD susceptibility, lower gestational period and negative pregnancy outcome. The PR downstream effector PIBF was also found to be downregulated in PTD, and is associated with gestational period and negative pregnancy outcome. The downregulation of PR and PIBF expression was found to correlate with a predominant Th1 state with higher CD56+NK cell counts and pro-inflammatory burst lead by hyper TNF-α, NF-kB and IFNγ expression, and complicated by lower IL10 expression, contributing to PTD as well as negative pregnancy outcome in the PTD cases. TNF-α expression in placenta inversely correlated with placental PR expression. To conclude, deregulation in PR pathway is a hallmark of preterm delivery and negative pregnancy outcome. Differential expression of several markers such as PR, PIBF and TNF-α has prognostic significance, and hence is of clinical significance.


Subject(s)
Killer Cells, Natural/immunology , Obstetric Labor, Premature/diagnosis , Pregnancy Proteins/metabolism , Receptors, Progesterone/metabolism , Suppressor Factors, Immunologic/metabolism , Th1 Cells/immunology , Tumor Necrosis Factor-alpha/metabolism , Adolescent , Adult , Cells, Cultured , Disease Susceptibility/immunology , Female , Humans , Immunomodulation , India , Inflammation Mediators/metabolism , Middle Aged , NF-kappa B/metabolism , Obstetric Labor, Premature/immunology , Pregnancy , Pregnancy Outcome , Prognosis , Signal Transduction , Young Adult
13.
Clin J Pain ; 28(2): 108-12, 2012 Feb.
Article in English | MEDLINE | ID: mdl-21750460

ABSTRACT

OBJECTIVE: Botulinum toxin type A (Botox) injection has been used to manage pain. However, it remains to be proved whether Botox injection is effective to relieve residual limb pain (RLP) and phantom limb pain (PLP). DESIGN: Randomized, double-blinded pilot study. SETTING: Medical College and an outpatient clinic in Department of Physical Medicine and Rehabilitation. PARTICIPANTS: Amputees (n=14) with intractable RLP and/or PLP who failed in the conventional treatments. INTERVENTIONS: Study amputees were randomized to receive 1 Botox injection versus the combination of Lidocaine and Depomedrol injection. Each patient was evaluated at baseline and every month after the injection for 6 months. MAIN OUTCOME MEASURE: The changes of RLP and PLP as recorded by VAS, and the changes of the pressure pain tolerance as determined by a pressure algometer. RESULTS: All patients completed the protocol treatment without acute side effects, and monthly assessments of RLP, PLP, and pain tolerance after the treatment. The time trend in the outcomes was modeled as an immediate change owing to the treatment followed by a linear tread afterward. Repeated measures were incorporated using mixed effects modeling. We found that both Botox and Lidocaine/Depomedrol injections resulted in immediate improvements of RLP (Botox: P=0.002; Lidocaine/Depomedrol: P=0.06) and pain tolerance (Botox: P=0.01; Lidocaine/Depomedrol: P=0.07). The treatment effect lasted for 6 months in both groups. The patients who received Botox injection had higher starting pain than those who received Lidocaine/Depomedrol injection (P=0.07). However, there were no statistical differences in RLP and pain tolerance between these 2 groups. In addition, no improvement of PLP was observed after Botox or Lidocaine/Depomedrol injection. CONCLUSIONS: Both Botox and Lidocaine/Depomedrol injections resulted in immediate improvement of RLP (not PLP) and pain tolerance, which lasted for 6 months in amputees who failed in conventional treatments.


Subject(s)
Amputation Stumps , Botulinum Toxins, Type A/administration & dosage , Lidocaine/administration & dosage , Pain Measurement/drug effects , Phantom Limb/diagnosis , Phantom Limb/drug therapy , Adult , Aged , Analgesics/administration & dosage , Double-Blind Method , Female , Humans , Injections, Intramuscular , Male , Middle Aged , Neuromuscular Agents/administration & dosage , Prospective Studies , Treatment Outcome , Young Adult
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