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Cancer Medicine by Alexandros G.Sfakianakis,Anapafseos 5 Agios Nikolaos,Crete 72100,Greece,tel :00302841026182 & 00306932607174
Τετάρτη 6 Φεβρουαρίου 2019
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Medical Education Texts
Objective Skills Clinical Examination: Every Day in the Field of Practice
Assessing Competence in Medicine and Other Health Professions
High-Flow Nasal Oxygen Improves Safe Apnea Time in Morbidly Obese Patients Undergoing General Anesthesia: A Randomized Controlled Trial
BACKGROUND: Morbidly obese patients undergoing general anesthesia are at risk of hypoxemia during anesthesia induction. High-flow nasal oxygenation use during anesthesia induction prolongs safe apnea time in nonobese surgical patients. The primary objective of our study was to compare safe apnea time, between patients given high-flow nasal oxygenation or conventional facemask oxygenation during anesthesia induction, in morbidly obese surgical patients. METHODS: Research ethics board approval was obtained. Elective surgical patients ≥18 years with body mass index ≥40 kg·m−2 were included. Patients with severe comorbidity, gastric reflux disease, known difficult airway, or nasal obstruction were excluded. After obtaining informed consent patients were randomized. In the intervention (high-flow nasal oxygenation) group, preoxygenation was provided by 100% nasal oxygen for 3 minutes at 40 L·minute−1; in the control group, preoxygenation was delivered using a facemask with 100% oxygen, targeting end-tidal O2 >85%. Anesthesia was induced with propofol, remifentanil, and rocuronium. Bag-mask ventilation was not performed. At 2 minutes after rocuronium, videolaryngoscopy was performed. If the laryngoscopy grade was I or II, laryngoscope was left in place and the study was continued; if grade III or IV was observed, the patient was excluded from the study. During the apnea period, high-flow nasal oxygenation patients received nasal oxygen at 60 L·minute−1; control group patients received no supplemental oxygen. The primary outcome, safe apnea time, was reached when oxygen saturation measured by pulse oximetry (SpO2) fell to 95% or maximum 6 minutes of apnea. The patient was then intubated. T tests and χ2 analyses were used to compare groups. P
http://bit.ly/2SjuqBh
http://bit.ly/2SjuqBh
A Multivariable Model Predictive of Unplanned Postoperative Intubation in Infant Surgical Patients
BACKGROUND: Unplanned postoperative intubation is an important quality indicator, and is associated with significantly increased mortality in children. Infant patients are more likely than older pediatric patients to experience unplanned postoperative intubation, yet the literature provides few characterizations of this outcome in our youngest patients. The objective of this study was to identify risk factors for unplanned postoperative intubation and to develop a scoring system to predict this complication in infants undergoing major surgical procedures. METHODS: In this retrospective cohort study, The National Surgical Quality Improvement Program-Pediatric database was surveyed for all infants who underwent noncardiac surgery between January 1, 2012 and December 31, 2015 (derivation cohort, n = 56,962) and between January 1 and December 31, 2016 (validation cohort, n = 20,559). Demographic and perioperative clinical characteristics were examined in association with our primary outcome of unplanned postoperative intubation within 30 days of surgery. Risk factors were analyzed in the derivation cohort (2012–2015 data) using multivariable logistic regression with stepwise selection. Parameters from the final model were used to create a scoring system for predicting unplanned postoperative intubation. Data from the validation cohort were utilized to assess the performance of the scoring system using the area under the receiver operating characteristic curve. RESULTS: In the derivation cohort, 2.2% of the infants experienced unplanned postoperative intubation within 30 days of surgery. Of the 14 risk factors identified in multivariable analysis, 10 (age, prematurity, American Society of Anesthesiologists physical status, inpatient status, operative time >120 minutes, cardiac disease, malignancy, hematologic disorder, oxygen supplementation, and nutritional support) were included in the final multivariable logistic regression model to create the risk score. The area under the receiver operating characteristic curve of the final model was 0.86 (95% CI, 0.85–0.87) for the derivation cohort and 0.83 (95% CI, 0.82–0.85) for the validation cohort. CONCLUSIONS: About 1 in 50 infants undergoing major surgical procedures experiences unplanned postoperative intubation. Our scoring system based on routinely collected perioperative assessment data can predict risk in infants with good accuracy. Further investigation should assess the clinical utility of the scoring system for risk stratification and improvement in perioperative care quality and patient outcomes. Accepted for publication December 20, 2018. Funding: L.D.E. is supported by an institutional training grant from the National Institutes of Health, T32GM008464-26. M.K. is supported by the National Center for Advancing Translational Sciences, National Institutes of Health through Grant Number KL2TR001874. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health. The authors declare no conflicts of interest. Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's website (http://bit.ly/KegmMq). Reprints will not be available from the authors. Address correspondence to Lisa D. Eisler, MD, Department of Anesthesiology, Columbia University Medical Center, 622 W 168th St, PH 5, Suite 505C, New York, NY 10032. Address e-mail to LDL2113@cumc.columbia.edu. © 2019 International Anesthesia Research Society
http://bit.ly/2Sdi263
http://bit.ly/2Sdi263
Effectiveness of Magnesium in Preventing Shivering in Surgical Patients: A Systematic Review and Meta-analysis
BACKGROUND: Clinical trials regarding the antishivering effect of perioperative magnesium have produced inconsistent results. We conducted a systematic review and meta-analysis with Trial Sequential Analysis to evaluate the effect of perioperative magnesium on prevention of shivering. METHODS: We searched PubMed, EMBASE, Web of Science, Cochrane Central Register of Controlled Trials, and 2 registry sites for randomized clinical trials that compared the administration of magnesium to a placebo or no treatment in patients undergoing surgeries. The primary outcome of this meta-analysis was the incidence of shivering. The incidence of shivering was combined as a risk ratio with 95% CI using a random-effect model. The effect of the route of administration was evaluated in a subgroup analysis, and Trial Sequential Analysis with a risk of type 1 error of 5% and power of 90% was performed. The quality of each included trial was evaluated, and the quality of evidence was assessed using the Grading of Recommendation Assessment, Development, and Evaluation approach. We also assessed adverse events. RESULTS: Sixty-four trials and 4303 patients (2300 and 2003 patients in magnesium and control groups, respectively) were included. The overall incidence of shivering was 9.9% in the magnesium group and 23.0% in the control group (risk ratio, 0.42; 95% CI, 0.33–0.52). Subgroup analysis revealed that the incidence of shivering was lower with IV (risk ratio, 0.29; 95% CI, 0.29–0.54; Grading of Recommendation Assessment, Development, and Evaluation, moderate), epidural (risk ratio, 0.24; 95% CI, 0.13–0.43; Grading of Recommendation Assessment, Development, and Evaluation, low), and intrathecal administration (risk ratio, 0.64; 95% CI, 0.43–0.96; Grading of Recommendation Assessment, Development, and Evaluation, moderate). Only trials with low risk of bias were included for Trial Sequential Analysis. The Z-cumulative curve for IV magnesium crossed the Trial Sequential Analysis monitoring boundary for benefit even though only 34.9% of the target sample size had been reached. The Z-cumulative curve for epidural or intrathecal administration did not cross the Trial Sequential Analysis monitoring boundary for benefit. No increase in adverse events was reported. CONCLUSIONS: Perioperative IV administration of magnesium effectively reduced shivering and Trial Sequential Analysis suggested that no more trials are required to confirm that IV magnesium effectively reduces shivering. Accepted for publication December 12, 2018. Funding: This study was supported by funding from the Department of Anesthesiology, Yokohama City University, Yokohama, Japan. The authors declare no conflicts of interest. Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's website (http://bit.ly/KegmMq). Trial registry number: CRD42018083337 (PROSPERO). URL: http://bit.ly/2Gu1mjl. Reprints will not be available from the authors. Address correspondence to Hiromasa Kawakami, MD, Department of Anesthesiology, Yokohama City University Medical Center, Urafunecho 4-57 Minamiku Yokohama, Kanagawa 232-0024, Japan. Address e-mail to hiro.k210@gmail.com. © 2019 International Anesthesia Research Society
http://bit.ly/2Sc7hka
http://bit.ly/2Sc7hka
American Society for Enhanced Recovery and Perioperative Quality Initiative-4 Joint Consensus Statement on Persistent Postoperative Opioid Use: Definition, Incidence, Risk Factors, and Health Care System Initiatives
Persistent postoperative opioid use is thought to contribute to the ongoing opioid epidemic in the United States. However, efforts to study and address the issue have been stymied by the lack of a standard definition, which has also hampered efforts to measure the incidence of and risk factors for persistent postoperative opioid use. The objective of this systematic review is to (1) determine a clinically relevant definition of persistent postoperative opioid use, and (2) characterize its incidence and risk factors for several common surgeries. Our approach leveraged a group of international experts from the Perioperative Quality Initiative-4, a consensus-building conference that included representation from anesthesiology, surgery, and nursing. A search of the medical literature yielded 46 articles addressing persistent postoperative opioid use in adults after arthroplasty, abdominopelvic surgery, spine surgery, thoracic surgery, mastectomy, and thoracic surgery. In opioid-naive patients, the overall incidence ranged from 2% to 6% based on moderate-level evidence. However, patients who use opioids preoperatively had an incidence of >30%. Preoperative opioid use, depression, factors associated with the diagnosis of substance use disorder, preoperative pain, and tobacco use were reported risk factors. In addition, while anxiety, sex, and psychotropic prescription are associated with persistent postoperative opioid use, these reports are based on lower level evidence. While few articles addressed the health policy or prescriber characteristics that influence persistent postoperative opioid use, efforts to modify prescriber behaviors and health system characteristics are likely to have success in reducing persistent postoperative opioid use. Accepted for publication October 16, 2018. The authors declare no conflicts of interest. Funding: The PeriOperative Quality Initiative (POQI)-4 consensus conference was supported by unrestricted educational grants from the American Society for Enhanced Recovery (ASER) and the POQI, which have received grants from Baxter, Bev MD, Cadence, Cheetah Medical, Edwards, Heron Pharmaceutical, Mallinckrodt, Medtronic, Merck, Pacira, and Trevena. Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's website (http://bit.ly/KegmMq). Please see Supplemental Digital Content, Appendix 1, http://bit.ly/2GxzQ4N, for a list of the POQI-4 Workgroup members. Reprints will not be available from the authors. Address correspondence to Michael L. Kent, MD, Department of Anesthesiology, Duke University Medical Center, 3094 #4, Durham, NC 27710. Address e-mail to Michael.kent@duke.edu. © 2019 International Anesthesia Research Society
http://bit.ly/2Sdhq0f
http://bit.ly/2Sdhq0f
I Tweet, Therefore I Learn: An Analysis of Twitter Use Across Anesthesiology Conferences
BACKGROUND: Twitter in anesthesiology conferences promotes rapid science dissemination, global audience participation, and real-time updates of simultaneous sessions. We designed this study to determine if an association exists between conference attendance/registration and 4 defined Twitter metrics. METHODS: Using publicly available data through the Symplur Healthcare Hashtags Project and the Symplur Signals, we collected data on total tweets, impressions, retweets, and replies as 4 primary outcome metrics for all registered anesthesiology conferences occurring from May 1, 2016 to April 30, 2017. The number of Twitter participants, defined as users who contributed a tweet, retweet, or reply 3 days before through 3 days after the conference, was collected. We also collected influencer data as determined by mentions (number of times a user is referenced). Two authors independently verified the categories for influencers assigned by Symplur. Conference demographic data were obtained by e-mail inquiries. Associations between meeting attendees/registrants and Twitter metrics, between Twitter participants and the metrics, and between physician influencers and Twitter participants were tested using Spearman rho. RESULTS: Fourteen conferences with 63,180 tweets were included. With the American Society of Anesthesiologists annual meeting included, the correlations between meeting attendance/registration and total tweets (rs = 0.588; P = .074), impressions (rs = 0.527; P = .117), and retweets (rs = 0.539; P = .108) were not statistically significant; for replies, it was moderately positive (rs = 0.648; P = .043). Without the American Society of Anesthesiologists annual meeting, total tweets (rs = 0.433; P = .244), impressions (rs = 0.350; P = .356), retweets (rs = 0.367; P = .332), and replies (rs = 0.517; P = .154) were not statistically significant. Secondary outcomes include a highly positive correlation between Twitter participation and total tweets (rs = 0.855; P
http://bit.ly/2Gpo10p
http://bit.ly/2Gpo10p
Prevalence and Multivariable Factors Associated With Preoperative Cognitive Impairment in Outpatient Surgery in the United States
Preoperative cognitive impairment increases the risk of adverse events after surgery but its prevalence in outpatient surgery has not been defined. We aimed to determine the prevalence and multivariable factors associated with cognitive impairment in individuals who present for outpatient surgery. We used data from the Health and Retirement Study, a longitudinal panel survey of older Americans. Of 1836 participants who reported having outpatient surgery, we found that 16.1% had evidence of cognitive impairment. Significant multivariable factors associated with preoperative cognitive impairment included non-Hispanic African American race, prior stroke, preoperative functional dependence, and lower socioeconomic status and education level. Accepted for publication December 18, 2018. Funding: This work was supported by a University of Pennsylvania Institute on Aging pilot grant. The authors declare no conflicts of interest. Reprints will not be available from the authors. Address correspondence to Timothy G. Gaulton, MD, MSc, Department of Anesthesiology and Critical Care, Perelman School of Medicine at the University of Pennsylvania, 310 Blockley Hall, 423 Guardian Dr, Philadelphia, PA 19104. Address e-mail to timothy.gaulton2@uphs.upenn.edu. © 2019 International Anesthesia Research Society
http://bit.ly/2SdhkFV
http://bit.ly/2SdhkFV
Arterial thrombosis as primary presentation of endogenous Cushings syndrome
Cushing's syndrome is known to present with a characteristic set of clinical manifestations and complications, well described in literature. However, hypercoagulability remains an under recognised entity in Cushing's syndrome. A 31-year-old woman from Southern India presented with history of fever, left upper quadrant pain and progressive breathing difficulty for 3 weeks. Clinical examination revealed discriminatory features of Cushing's syndrome. Laboratory investigations showed biochemical features of endogenous ACTH-dependent Cushing's syndrome. Imaging of the abdomen revealed splenic collection, left-sided empyema and extensive arterial thrombosis. Gadolinium enhanced dynamic MRI of the pituitary gland revealed no evidence of an adenoma while a Ga-68 DOTATATE positron emission tomography CT scan ruled out an ectopic Cushing's. A diagnosis of endogenous Cushing's syndrome causing a prothrombotic state with extensive arterial thrombosis was made. She was initiated on oral anticoagulation and oral ketoconazole for medical adrenal suppression. She subsequently underwent bilateral adrenalectomy and was well at follow-up.
http://bit.ly/2Gpjmvr
High tibial osteotomy in combination with arthroscopic abrasion arthroplasty and autologous adipose-derived mesenchymal stem cell therapy in the treatment of advanced knee osteoarthritis
Osteoarthritis is a progressive and debilitating condition. An increasing number of total knee replacements are being performed under the age of 65. Improved understanding of the action of mesenchymal stem cells (MSC) has seen renewed interest in their role in cartilage repair. A 43-year-old man presented with grade IV medial compartment knee osteoarthritis. The patient underwent high tibial osteotomy (HTO) and arthroscopic abrasion arthroplasty in combination with adipose-derived MSC therapy. The patient reported improvement in pain and function as measured by validated outcome scores. Repeat MRI including T2 mapping techniques showed hyaline-like cartilage regeneration. This case highlights the potential benefit of surgical interventions including HTO in combination with MSC therapy in early-onset severe osteoarthritis. This technique may considerably delay or prevent the need for total knee replacement in young patients. Further controlled trials are needed to confirm the reproducibility of this outcome.
http://bit.ly/2SDmwSy
Intramural oesophageal abscess: an unusual complication of tonsillitis
Tonsillitis is an extremely common condition, usually it is self-limiting, of viral origin, and managed conservatively in general practice. Rarely patients require inpatient management, usually when bacterial infection is present or when the cause is virulent organisms such as Epstein Barr virus. Complications can be divided into non-suppurative; sepsis, scarlet fever, rheumatic fever, glomerulonephritis and Lemierres disease, and suppurative; quinsy, parapharyngeal abscess and retropharyngeal abscess, respectively. Anecdotally, there is concern that modern medical practice that counsels vigilance against overuse of antibiotics, could lead to increased complications of tonsillitis. We report a case of an otherwise healthy man who presented with dysphagia, odynophagia and neck pain following a sore throat. Despite antibiotic treatment he developed an intramural oesophageal abscess, to our knowledge, an unreported complication of tonsillitis.
http://bit.ly/2GqF3em
Pneumomediastinum, ST elevation and urgent cardiac catheterisation: a crucial triad?
Pneumomediastinum (PNMD) entails the presence of air or other gas in the mediastinum and is also known as mediastinal emphysema. PNMD may cause a wide variety of signs and symptoms, as well as ECG abnormality, including ST segment changes. We present a 56-year-old man admitted to our hospital after a facial trauma. After undergoing tracheostomy, he complained of chest discomfort. A chest X-ray in the posteroanterior view showed PNMD, and an ECG was suggestive of inferior-lateral wall myocardial infarction. An urgent cardiac catheterisation identified a critical obstruction at the origin of the right coronary artery. Following a balloon angioplasty, chest discomfort continued; and the ECG ST segments did not show any dynamic change during the subsequent 72 hours. We urge clinicians to perform a comprehensive workup for every patient presenting with PNMD and ST segment changes, to prevent unnecessary invasive procedures.
http://bit.ly/2SvOzU9
Pins and needles in the groin: an incidental finding of retained needle fragments in an intravenous drug user
A female intravenous drug user was reviewed in A&E following a deliberate overdose. After claiming to have swallowed a razor blade, an abdominal radiograph was performed; this showed a linear metallic density projected over the right side of the pelvis, eventually identified as a needle fragment. Subsequent CT imaging revealed three additional needles situated within the groin. Duplex assessment also identified bilateral arteriovenous fistulae. The patient remained asymptomatic and was managed conservatively. She could recall several occasions when a needle had broken while injecting. This scenario was more likely if the needle had been used many times previously, causing it to become blunt and bent. There are cases reported of adverse patient outcomes secondary to broken needle fragments but awareness among medical professionals remains poor.
http://bit.ly/2GraZiU
Flow-controlled ventilation during ear, nose and throat surgery: A prospective observational study
BACKGROUND Flow-controlled ventilation (FCV) is a new mechanical ventilation mode that maintains constant flow during inspiration and expiration with standard tidal volumes via cuffed narrow-bore endotracheal tubes. Originating in manually operated 'expiratory ventilation assistance', FCV extends this technique by automatic control of airway flow, monitoring of intratracheal pressure and control of peak inspiratory pressure and end-expiratory pressure. FCV has not yet been described in a clinical study. OBJECTIVE The aim of this study was to provide an initial assessment of FCV in mechanically ventilated patients undergoing ear, nose and throat surgery and evaluate its potential for future use. DESIGN An observational study. SETTING Two German academic medical centres from 24 November 2017 to 09 January 2018. PATIENTS Consecutive patients (≥ 18 years) scheduled for elective ear, nose and throat surgery. Exclusion criteria were planned laser surgery, intended fibreoptic awake intubation, emergency procedures, increased risk of aspiration, American Society of Anesthesiologists (ASA) physical status more than III and chronic obstructive pulmonary disease classified as GOLD stage more than II. INTERVENTION Peri-operative use of FCV provided by a new type of ventilator (Evone) via a narrow-bore endotracheal tube (Tritube). MAIN OUTCOME MEASURES Minute volume, respiratory rate, intratidal tracheal pressure amplitude (Δp) and end-tidal CO2 (PetCO2) were recorded every 5 min. All adverse events were noted. Data are presented as median [IQR]. RESULTS Sixteen patients provided 15 evaluable data sets. A minute volume of 5.0 [4.4 to 6.4] l min−1 and a respiratory rate of 9 [8 to 11] min−1 generated a PetCO2 of 4.9 [4.8 to 5.0] kPa. Δp was 10 [9 to 12] cmH2O. Five adverse events were recorded: a tube obstruction due to airway secretions and four tube dislocations (two attributed to coughing, two not study-related). CONCLUSION FCV achieves adequate PetCO2 levels with minute volume and Δp in the normal range. Tritube's high flow resistance may increase the likelihood of tube dislocations if the patient coughs. Although further evaluation is necessary, FCV provides a new option for short-term mechanical ventilation. The successful operation of FCV with narrow-bore tubes contributes to the armamentarium for airway management. TRIAL REGISTRATION DRKS00013312 This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. http://bit.ly/OBJ4xP Correspondence to Dr. Johannes Schmidt, Department of Anaesthesiology and Critical Care, Medical Centre – University of Freiburg, Hugstetter Str. 55, 79106 Freiburg, Germany Tel: +49 761 270 26390; e-mail: johannes.schmidt@uniklinik-freiburg.de Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's Website (http://bit.ly/2ylyqmW). © 2019 European Society of Anaesthesiology
http://bit.ly/2SsAarR
http://bit.ly/2SsAarR
Pre-operative assessment of 30-day mortality risk after major surgery: the role of the quick sequential organ failure assessment: A retrospective observational study
BACKGROUND The quick Sequential Organ Failure Assessment (qSOFA) is intended for the assessment of the prognosis and risk of sepsis. It may also help predict the mortality risk of nonseptic patients. OBJECTIVE This study investigated the relationship between pre-operative qSOFA scores and 30-day mortality after major surgery. It also evaluated the predictive value of qSOFA scores combined with the American Society of Anesthesiologists (ASA) physical status and Charlson comorbidity index (CCI). DESIGN A retrospective observational study. SETTING Single tertiary academic hospital. PATIENTS Medical records of patients who underwent major surgery (estimated blood loss >500 ml; surgery time >2 h) between January 2010 and December 2017 were examined. MAIN OUTCOME MEASURES The qSOFA score was measured within 24 h before surgery, and its association with 30-day mortality was analysed using multivariable logistic regression. A receiver-operating characteristic curve analysis was used to investigate the predictive power of the pre-operative qSOFA scores combined with the ASA physical status and with CCI. RESULTS A total of 6336 patients were included in the final analysis, and 91 (1.4%) died within 30 days. The multivariable logistic regression analysis including all covariates indicated that 30-day mortality was 2.43-times higher for the score 1 group than for the score 0 group (P = 0.002), and it was 3.54-times higher for the score at least 2 group than for the score 0 group (P
http://bit.ly/2ROfFl6
http://bit.ly/2ROfFl6
Endovascular Treatment of Ruptured Renal Artery Aneurysm: A Case-Based Literature Review
Renal artery aneurysms are extremely uncommon with a reported incidence of less than one percent in general population. They are being more frequently detected due to increasing availability and use of abdominal imaging. Renal artery aneurysm rupture is an extremely unusual cause of acute flank pain with hemodynamic instability. Given the rarity of diagnoses, clinicians may not consider and address this ruptured renal artery aneurysm early which can potentially lead to adverse clinical outcomes. We report the case of a 55-year-old male who presented with retroperitoneal bleeding from a ruptured aneurysm of the interlobular branch of renal artery. He was endovascularly treated with coil embolization. We have also reviewed the inherent literature.
http://bit.ly/2MOQTjE
Maxillary Zoster and Neurotrophic Keratitis following Trigeminal Block
Herpes zoster ophthalmicus is commonly used to describe viral reactivation from the trigeminal ganglia with ocular involvement. The ophthalmic branch is the most commonly involved, whereas the maxillary and mandibular dermatomes are less commonly affected. Neurotrophic ulcer may occur secondary to intentional or inadvertent damage to the trigeminal nucleus, root, ganglion, or any segment of the ophthalmic branch of this cranial nerve. We report a case of reactivated maxillary herpes zoster combined with neurotrophic keratitis due to percutaneous 2nd and 3rd branch of trigeminal nerve block with alcohol to treat trigeminal neuralgia. A 57-year-old female came to the ophthalmology department complaining of decreased visual acuity and skin vesicle over the right lower lid and cheek. She had undergone right trigeminal nerve block for treatment of trigeminal neuralgia. Clinical examination revealed neurotrophic keratitis and maxillary herpes zoster. She was treated with oral and topical antivirals and vigorous lubrication with eye drops. Her neurotrophic keratitis showed a slow recovery. Although a few cases of herpes zoster following nerve block have been described, it would appear that a case of simultaneous maxillary herpes zoster and neurotrophic keratitis following trigeminal block has not yet been documented. It is possible that trigeminal nerve block may cause reactivation of latent virus and refractory neurotrophic keratitis.
Case Rep Ophthalmol 2019;10:61–66
http://bit.ly/2TzRmZI
Evaluation using a four-dimensional imaging tool before and after pulmonary valve replacement in a patient with tetralogy of Fallot: a case report
Pulmonary regurgitation is a common complication after tetralogy of Fallot repair, resulting in right ventricular dysfunction, arrhythmia, and sudden death. However, the indications and optimal timing for pulm...
http://bit.ly/2WJz22d
A Case of Bilateral Spontaneous Chylothorax with Respiratory Syncytial Virus Bronchiolitis
A case of bilateral spontaneous chylothorax with respiratory syncytial virus (RSV) bronchiolitis has never been reported. We report the case of a 7-month-old boy born at 33 weeks gestation with a history of Down syndrome, atrial septal defect, pulmonary hypertension, and chronic lung disease, hospitalized due to RSV bronchiolitis who developed bilateral spontaneous chylothorax with exacerbation of pulmonary hypertension (PH). The patient died after 9 weeks of mechanical ventilation and treatment for PH. The autopsy showed acute infectious signs, a chronic interstitial lung disease with pulmonary hypertensive changes and subpleural cysts with no evidence of congenital lymphangiectasia. The cause of chylothorax in this child could be multifactorial. However, worsening pulmonary hypertension with RSV infection might have partially contributed to the development of chylothorax through elevated superior venous cava pressure. Thoracentesis should be considered for patients with Down syndrome and PH associated with congenital heart disease who develop persistent pleural effusion during RSV bronchiolitis to rule out chylothorax.
http://bit.ly/2GcOXRA
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