Sunday, October 30, 2022

Comparative analysis and trends in liver transplant hospitalizations with clostridium difficile infections: A 10‐year national cross‐sectional study

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ABSTRACT

Goals and Background

Clostridium difficile infection (CDI) is the leading cause of antibiotic-associated diarrhea in the United States. We aimed to determine comparative trends in inpatient outcomes of liver transplant (LT) patients based on CDI during hospitalizations.

Methods

The national inpatient sample (NIS) database was used to conduct the present retrospective study regarding CDI among the LT hospitalizations from 2009, to 2019. Primary outcomes included ten-year comparative trends of the length of stay (LOS) and mean inpatient charges (MIC). Secondary outcomes included comparative mortality and LT rejection trends.

Results

There was a 14.05% decrease in CDI in LT hospitalizations over the study period (P = 0.05). The trend in LOS did not significantly vary (P = 0.9). MIC increased significantly over last decade in LT hospitalizations with CDI (P < 0.001). LT hospitalizations of autoimmune etiology compared against non-autoimmune did not increase association with CDI, adjusted odds ratio (aOR) 0.97 [95% confidence interval (CI) 0.75-1.26, P = 0.87]. CDI was associated with increased mortality in LT hospitalizations, aOR 1.84 [95% confidence interval (CI) 1.52-2.24, P < 0.001].  In-hospital mortality for LT hospitalizations with CDI decreased by 7.75% over the study period (P = 0.3). CDI increased transplant rejections, aOR 1.3 [95% CI 1.08-1.65, P < 0.001]. There was a declining trend in transplant rejection for LT hospitalization with CDI from 5% to 3% over the study period (P = 0.0048).

Conclusion

CDI prevalence doesnot increase based on autoimmune LT etiology. It increases mortality in LT hospitalizations; however, trend for mortality and transplant rejections has been declining over the last decade.

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Cidofovir‐induced anterior uveitis in an allogeneic stem cell transplant recipient

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Abstract

Anterior uveitis is a reported complication of intravenous cidofovir, almost exclusively described in human immunodeficiency virus (HIV) infected patients treated for cytomegalovirus retinitis. In this study, we report the case of an allogeneic stem cell transplant recipient with significant visual impairment and hypotony following administration of high-dose intravenous cidofovir for hemorrhagic cystitis due to BK virus.

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The Use of Dissemination and Implementation to Improve Multimodal Analgesia in Head and Neck Surgery

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The Use of Dissemination and Implementation to Improve Multimodal Analgesia in Head and Neck Surgery

The use of a multimodal analgesia approach in a Randomized Clinical Trial including acetaminophen, ketorolac, gabapentin, and a neurogenic extremity block in patients undergoing major head and neck ablative and reconstructive surgery significantly reduced the need for opioids in the immediate postoperative period of a seven-day hospital stay. Coordination of care and reducing variability in pain medication administration were highly dependent on dissemination and implementation processes put in place for perioperative phases of care.


Objectives

To optimize the delivery of multimodal analgesia to patients undergoing major head and neck oncologic surgeries.

Methods

Pilot study included patients enrolled to receive either scheduled acetaminophen and as-needed opioids (control group) or scheduled acetaminophen, gabapentin, ketorolac, and as-needed opioids (experimental group). RCT, a hybrid type 1 effectiveness-implementation pragmatic trial, was designed to test the effectiveness of the intervention. Arm A received scheduled acetaminophen and as-needed opioids. Arm B received scheduled gabapentin, ketorolac, a regional nerve block at the free tissue donor site, scheduled acetaminophen and as-needed opioids.

Results

Pilot: Thirty-one patients undergoing major head and neck surgery were enrolled. Mean MMEs administered in control group (n = 15) was 251.60 mg (SD = 224.57 mg); mean MMEs in Experimental group (n = 16) was 195.78 mg (SD = 131.08 mg), p = 0.401. LOS was 8.0 days in control versus 7.0 days in experimental group (p = 0.054).

RCT: Interim analysis for safety and futility was planned during trial's design after 30 patients (n = 14 Arm A, and n = 16 Arm B). Mean MMEs administered were 135.1 mg in Arm A, (SD = 86.0 mg) versus mean MME of 51.3 mg in Arm B (SD = 43.3 mg, (p < 0.05)). Given clear superiority results, the trial was prematurely terminated. Functional pain scores, LOS, and complications were similar between the arms (p > 0.05). Variability of mean MME was compared before and after implementation of the management protocols: SD in RCT#1 was 181.46 mg versus 124.6 mg in RCT#2.

Conclusion

Multimodal analgesia significantly reduced the need for opioids in patients undergoing major head and neck surgery.

Level of Evidence

1, Randomized Clinical Trial Laryngoscope, 2022

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The evolution of fertility preservation care models in a large pediatric cancer and blood disorders center

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Abstract

Background

Children and adolescents who receive gonadotoxic treatments are at risk for future infertility. While there is a growing focus on integrating fertility preservation (FP) within pediatric cancer and blood disorder centers, wide variations in care models and methods exist across institutions. The purpose of this work is to describe the evolution of FP care models within a large pediatric hematology/oncology center.

Methods

Models of care and associated timeframes are described, including a pre-FP program model, establishment of a formal FP program, integration of nurse navigators, and the addition of FP consult stratification based on urgency (urgent/nonurgent). The number of patient consults within each model, patient sex, diagnosis (oncologic/hematologic), and consult timing (pre-gonadotoxic treatment/posttreatment completion) were abstracted from the clinical database.

Results

The number of annual consults increased from 24 during the pre-FP program model (2015) to 181 during the current care model (2020). Over time, the proportion of consults for females and patients with nonmalignant hematologic disorders increased. Patient stratification reduced the proportion of consults needing to be completed urgently from 75% at the advent of the FP program to 49% in the current model.

Conclusions

The evolution of care models within our FP program allowed for growth in the number of consults completed, expansion of services to more patients with nonmalignant hematologic disorders, and more consults for female patients. Nurse navigators play a critical role in care facilitating referrals, coordination, and patient education. Urgency stratification has allowed FP team members to manage increasing FP-related encounters.

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Off‐label pharmacological treatment for neuropathic pain: A Delphi study by the Spanish Pain Society Neuropathic Pain Task Force

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Abstract

Objectives

The use of off-label pharmacotherapies for neuropathic pain (NP) is growing relating to the many unmet needs of patients. However, clinical guidelines fail to address it, and the available evidence is sparse and fragmented. We arranged a formal expert consensus to address this controversial issue and provide some guidance on judicious use.

Methods

A two-round standard Delphi survey that involved pain clinic specialists with experience in the research and management of NP was done over an ad hoc 40-item questionnaire prepared by the authors. Consensus on each statement was defined as at least either 80% endorsement or rejection after the second round.

Results

Forty-three and thirty-seven panelists participated in the first and second round, respectively. Consensus was reached in 34 out of 40 statements. Endorsed alternatives for unresponsive patients include non-gabapentinoid antiepileptics (oxcarbazepine and eslicarbazepine), venlafaxine, intravenous lidocaine (when doses can be optimized), and some vaporized cannabinoids (under appropriate surveillance). In addition, lacosamide, low-dose naltrexone, propofol or ketamine could prove beneficial if subjected to more research. Other options were rejected, and there was controversy about the usefulness of topical preparations.

Discussion

For patients who do not respond to standard NP treatments, some other viable pharmacological options can be attempted before advancing to other therapeutic stages. This may help patients who are reluctant to or have some contraindication for interventional therapies.

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Computational fluid dynamics and NOSE scale to assess nasal respiratory function, and correlation with linear maxillary measurements after surgically assisted rapid maxillary expansion

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Nasal obstruction is common in patients with a transverse maxillary deficiency. The aim of this study was to determine the variation in nasal airway resistance in adult patients with a transverse maxillary deficiency before and after surgically assisted rapid maxillary expansion (SARME) by computational fluid dynamics (CFD) using computed tomography scans, and to correlate this variation with maxillary linear measurements obtained by means of plaster models. The subjective symptoms of nasal obstruction were also analysed using a visual analogue scale (VAS) for nasal breathing and the Nasal Obstruction Symptom Evaluation (NOSE) scale. (Source: International Journal of Oral and Maxillofacial Surgery)
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Friday, October 28, 2022

Cytosolic DNA Sensors Activation Inhibits HIV Infection of Macrophages

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Abstract

Cytosolic recognition of microbial DNA in macrophages results in the activation of the interferon (IFN) dependent antiviral innate immunity. Here, we examined whether activating DNA sensors in peripheral blood monocyte-derived macrophages (MDMs) can inhibit HIV. We observed that the stimulation of MDMs with poly(dA:dT) or poly(dG:dC) (synthetic ligands for the DNA sensors) inhibited HIV infection and replication. MDMs treated with poly(dA:dT) or poly(dG:dC) expressed higher levels of both type I and type III IFNs than untreated cells. Activation of the DNA sensors in MDMs also induced the expression of the multiple intracellular anti-HIV factors, including IFN-stimulated genes (ISGs: ISG15, ISG56, Viperin, OAS2, GBP5, MxB and Tetherin) and the HIV restriction microRNAs (miR-29c, miR-138, miR-146a, miR-155, miR-198, and miR-223). In addition, the DNA sensor activation of MDM upregulated the expression of the CC chemokines (RANTES, MIP-1α, MIP-1β), the ligan ds for HIV entry coreceptor CCR5. These observations indicate that the cytosolic DNA sensors have a protective role in the macrophage intracellular immunity against HIV and that targeting the DNA sensors has therapeutic potential for immune activation-based anti-HIV treatment.

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Impact of Serial Intralesional Steroid Injections on Idiopathic Subglottic Stenosis

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Objectives

Serial intralesional steroid injection (SILSI) has been increasingly used to treat idiopathic subglottic stenosis (iSGS). Prior studies have shown effectiveness, but not in all patients. This multi-institutional study evaluates the effect of SILSI on time to recurrent operation, peak expiratory flow (PEF), and dyspnea.

Methods

Post-hoc secondary analysis of the North American Airway Collaborative data were performed to evaluate the outcomes of iSGS patients undergoing and not undergoing SILSI. The primary outcome was time to recurrent operation, evaluated using Kaplan–Meier curves and Cox regression analysis. Secondary outcomes were change in PEF and clinical chronic obstructive pulmonary disease questionnaire (CCQ) score. Within patients undergoing SILSI, demographics, time from last procedure, and PEF at initiation of SILSI were evaluated to determine the effect on recurrence.

Results

Two hundred and ninety patients were included, 238 undergoing endoscopic dilation alone and 52 undergoing dilation and SILSI. No differences in baseline characteristics were observed. There was no difference in time to recurrence (hazard ratio: 0.64; p = 0.183). There were no differences in PEF or CCQ across the 2.5-year study period. Among 52 patients undergoing SILSI, PEF at the time of starting SILSI did not affect recurrence (χ 2 = 0.09, p = 0.77).

Conclusion

Patients undergoing and not undergoing SILSI had similar times to recurrence, PEF, and CCQ. Factors predicting recurrence among patients undergoing SILSI were not identified. These results support a randomized controlled trial with a uniform SILSI protocol to quantify the effects of SILSI on objective and subjective outcomes and help determine which iSGS patients benefit most.

Level of Evidence

3 Laryngoscope, 2022

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Diagnostic performance of magnetic resonance imaging for degenerative temporomandibular joint disease

alexandrossfakianakis shared this article with you from Inoreader

Abstract

Background

Degenerative joint disease (DJD) of the temporomandibular joint (TMJ) is an important type of temporomandibular disorders (TMDs) potentially leading to orofacial pain and jaw dysfunction. Magnetic resonance imaging (MRI) is important in TMD diagnosis; however, its diagnostic ability for DJD remains unknown.

Objective

To explore the utility of MRI in diagnosing DJD according to the latest diagnostic criteria for TMD and detecting condylar bone abnormalities and their severity.

Methods

Overall, 122 participants were examined using cone-beam computed tomography (CBCT) and MRI. The sensitivity, specificity, and accuracy of MRI for detecting DJD and different types of TMJ condylar bone abnormalities were calculated (considering CBCT as gold standard); in addition, we tested MRI and CBCT's consistency in scoring five types of condylar bone abnormalities.

Results

The sensitivity and specificity of MRI for DJD were 95.3% and 43.1%, respectively.The MRI sensitivities for condylar flattening, erosion, osteophytes, sclerosis, and cysts were 98.6%, 96.2%, 79.4%, 50%, and 79.2% (specificity, 53.6%, 48.3%, 81.6%, 83.3%, and 88.2%, respectively), respectively. The consistency between MRI and CBCT in assessing the severity of condylar bone abnormalities was fair-to-moderate (kappa coefficient: 0.278-0.491). The inter-observer consistency for CBCT was good, whereas for MRI it was relatively poor.

Conclusion

MRI can detect DJD and condylar bone abnormalities. However, MRI could not efficiently detect the severity of condylar bone abnormalities.

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Broadly Neutralizing Antibodies for HIV Treatment: Broad in Theory, Narrow in Reality

alexandrossfakianakis shared this article with you from Inoreader

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Abstract
In this viewpoint we briefly review the status of antiretroviral therapy, its unmet needs, and the role that broadly neutralizing antibodies (bNAbs) might have in the near future for the treatment of HIV. We summarize advances in the development of bNAbs as antiretroviral therapy, the results of main clinical trials of bNAbs for HIV treatment and prevention, and its role in cure trials. The limitations of broadly neutralizing antibodies are the current need for primary re sistance testing, the still unclear number of antibodies that must be combined, the lack of penetration in anatomical reservoirs and the role they might play in cure studies. We compare the advantages and disadvantages of "classical ART" and therapy based on broadly neutralizing antibodies. We conclude that broadly neutralizing antibodies still need considerable improvements before they can be considered an alternative to "classical ART".
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