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Headache Jun 2024Hemicrania continua is a primary unilateral headache characterized by ipsilateral parasympathetic and sympathetic autonomic features. A key diagnostic criterion is its... (Review)
Review
BACKGROUND
Hemicrania continua is a primary unilateral headache characterized by ipsilateral parasympathetic and sympathetic autonomic features. A key diagnostic criterion is its dramatic response to indomethacin treatment; however, various vascular or structural abnormalities have been reported to cause secondary hemicrania continua, presenting with clinical features similar to those of the primary headache presentation.
OBJECTIVE
We reviewed the literature to compile secondary hemicrania continua cases, highlighting the importance of imaging during the evaluation. Additionally, we also contributed our three cases to the existing studies.
METHODS
We conducted a review of articles from the PubMed and EMBASE databases that described reported cases of secondary hemicrania continua, covering the period from 1993 to 2021. Our review included detailed patient information, signs, and symptoms of hemicrania continua, as well as information on indomethacin usage and headache resolution (if pertinent).
RESULTS
Secondary hemicrania continua can result from a remarkably diverse range of structural and vascular lesions, yet clinical reports on long-term follow-up are lacking. Notably, cases may exhibit a classical response to indomethacin, emphasizing the importance of neuroimaging in excluding secondary cases. Our search yielded 41 cases meeting our criteria. We excluded six cases that were not treated with indomethacin or were unresponsive to it. Additionally, we present three cases that highlight the necessity of neuroimaging in evaluating hemicrania continua, along with short- and long-term clinical outcomes following indomethacin and lesion-directed treatments. Case 1 presented with daily right-sided headaches and cranial autonomic symptoms. Her pain completely resolved with indomethacin use. Neuroimaging of the brain revealed a laterally directed saccular aneurysm of the right internal carotid artery. Case 2 presented with continuous left-sided unilateral headaches with superimposed exacerbations. She complained of left-sided photophobia with a dull sensation in the left ear. Her symptoms decreased after 2 weeks of indomethacin use. Neuroimaging of the head indicated a benign tumor with mass effect into the left lateral medulla and inferior cerebellar peduncle. Case 3 presented with a right side-locked headache with daily, severe superimposed exacerbations. She had photophobia in the right eye and a right-sided Horner's syndrome, along with tearing during her exacerbations. Neuroimaging of the brain revealed a pituitary tumor and her pain completely resolved with indomethacin.
CONCLUSION
Hemicrania continua is a rare headache disorder that can be either primary or secondary. Importantly, response to indomethacin can still occur in secondary hemicrania continua. Thus, neuroimaging should be considered to rule out underlying structural etiology in all cases, regardless of their clinical responsiveness to indomethacin therapy.
Topics: Female; Humans; Anti-Inflammatory Agents, Non-Steroidal; Indomethacin; Neuroimaging
PubMed: 38780233
DOI: 10.1111/head.14728 -
Minerva Anestesiologica Jun 2024This systematic review and meta-analysis aimed to assess the efficacy and safety of interscalene brachial plexus block (ISB) techniques in upper limb and shoulder... (Meta-Analysis)
Meta-Analysis Comparative Study
INTRODUCTION
This systematic review and meta-analysis aimed to assess the efficacy and safety of interscalene brachial plexus block (ISB) techniques in upper limb and shoulder surgeries.
EVIDENCE ACQUISITION
We conducted a comprehensive search of PubMed, Web of Science, Cochrane Central Register of Controlled Trials, Embase, Medline, and Scopus databases up to May 14, 2023. We employed a search strategy involving keywords such as "brachial plexus block," "interscalene brachial plexus block," "ISB," "extrafascial," and "intrafascial," without applying search restrictions or filters. Eligible studies consisted of randomised controlled trials (RCTs) that compared extrafascial and intrafascial ISB techniques in adult patients undergoing upper limb and shoulder surgeries.
EVIDENCE SYNTHESIS
Our analysis included six RCTs encompassing 485 participants. Extrafascial injection demonstrated superiority over intrafascial injection in reducing the incidence of hemidiaphragmatic paresis (RR 0.33, 95% CI 0.124 to 0.47, P<0.00001) and preserving respiratory function (MS 0.31, 95% CI 0.1 to 0. 52, P=0.003 FEV
1 in liters). Additionally, extrafascial ISB exhibited a lower risk of block-related complications (RR 0.35, 95% CI 0.25 to 0.50, P<0.00001). However, the intrafascial technique offered a faster sensory and motor block onset. The duration of sensory block did not significantly differ. The incidence of Horner syndrome showed no statistically significant difference.CONCLUSIONS
Our findings favor extrafascial ISB techniques because they reduce hemidiaphragmatic paresis, preserve respiratory function, and lower block-related complications. However, further research is necessary to establish their safety and efficacy in specific patient populations.
Topics: Humans; Brachial Plexus Block; Injections; Anesthetics, Local; Treatment Outcome; Brachial Plexus
PubMed: 38305015
DOI: 10.23736/S0375-9393.23.17807-2 -
Cureus Nov 2023The interscalene block (ISB) is the standard regional anesthesia for shoulder arthroscopy. However, the superior trunk block (STB) is an alternative with a potentially... (Review)
Review
The interscalene block (ISB) is the standard regional anesthesia for shoulder arthroscopy. However, the superior trunk block (STB) is an alternative with a potentially safer profile. This meta-analysis aimed to compare the incidence and degree of hemidiaphragmatic paralysis and block efficacy of these techniques. We searched MEDLINE, EMBASE, Scopus, and Cochrane databases to identify randomized controlled trials (RCTs). The main outcome was total hemidiaphragmatic paralysis. We used the Grading of Recommendation, Assessment, Development, and Evaluation (GRADE) framework to assess the certainty of evidence. Four RCTs and 359 patients were included. The STB group showed lower total hemidiaphragmatic paralysis (RR 0.07; 95% CI 0.04 to 0.14; <0.0001). The incidence of subjective dyspnea ( = 0.002) and Horner's syndrome (<0.001) was significantly lower with STB relative to ISB. There was no significant difference between groups in block duration (p = 0.67). There was a high certainty of evidence in the main outcome as per the GRADE framework. Our findings suggest that STB has a better safety profile than ISB, resulting in lower rates of hemidiaphragmatic paralysis and dyspnea while providing a similar block. Therefore, STB could be preferred to ISB, especially in patients susceptible to phrenic nerve paralysis complications.
PubMed: 38050517
DOI: 10.7759/cureus.48217 -
Efficacy of HIFU for the treatment of benign thyroid nodules: a systematic review and meta-analysis.European Radiology Apr 2024Thyroid nodules are common and sometimes associated with cosmetic issues. Surgical treatment has several disadvantages, including visible scarring. High-intensity... (Meta-Analysis)
Meta-Analysis
OBJECTIVE
Thyroid nodules are common and sometimes associated with cosmetic issues. Surgical treatment has several disadvantages, including visible scarring. High-intensity focused ultrasound (HIFU) is a recent noninvasive treatment for thyroid nodules. The present study aims to evaluate the effectiveness and safety of HIFU for the treatment of benign thyroid nodules.
METHODS
We searched PubMed, Embase, and Cochrane Library for studies evaluating the outcomes of HIFU for patients with benign thyroid nodules. We conducted a meta-analysis by using a random effects model and evaluated the volume reduction ratio, treatment success rate, and incidence of treatment-related complications.
RESULTS
Thirty-two studies were included in the systematic review. Only 14 studies were used in the meta-analysis because the other 18 involved data collected during overlapping periods. The average volume reduction ratios at 3, 6, and 12 months after treatment were 39.02% (95% CI: 27.57 to 50.47%, I: 97.9%), 48.55% (95% CI: 35.53 to 61.57%, I: 98.2%), and 55.02% (95% CI: 41.55 to 68.48%, I: 99%), respectively. Regarding complications, the incidences of vocal cord paresis and Horner's syndrome after HIFU were 2.1% (95% CI: 0.2 to 4.1%, I: 14.6%) and 0.7% (95% CI: 0 to 1.9%, I: 0%), respectively.
CONCLUSIONS
HIFU is an effective and safe treatment option for patients with benign thyroid nodules. However, the effects of HIFU on nodules of large sizes and with different properties require further investigation. Additional studies, particularly randomized controlled trials involving long-term follow-up, are warranted.
CLINICAL RELEVANCE STATEMENT
Surgical treatment for thyroid nodules often results in permanent visible scars and is associated with a risk of bleeding, nerve injury, and hypothyroidism. High-intensity focused ultrasound may be an alternative for patients with benign thyroid nodules.
KEY POINTS
• The success rate of HIFU treatment for thyroid nodules is 75.8% at 6 months. Average volume reduction ratios are 48.55% and 55.02% at 6 and 12 months. • The incidence of complications such as vocal fold paresis, Horner's syndrome, recurrent laryngeal nerve palsy, hypothyroidism, and skin redness is low. • HIFU is both effective and safe as a treatment for benign thyroid nodules.
Topics: Humans; Thyroid Nodule; Horner Syndrome; High-Intensity Focused Ultrasound Ablation; Treatment Outcome; Vocal Cord Paralysis; Cicatrix; Hypothyroidism
PubMed: 37792080
DOI: 10.1007/s00330-023-10253-7 -
Frontiers in Medicine 2022To quantitatively assess and compare the efficacy and adverse effects of six different peripheral nerve block techniques after arthroscopic shoulder surgery (ASS).
STUDY OBJECTIVE
To quantitatively assess and compare the efficacy and adverse effects of six different peripheral nerve block techniques after arthroscopic shoulder surgery (ASS).
DESIGN
Bayesian network meta-analysis.
METHODS
The PubMed, Embase, Web of Science, the Cochrane Central Register of Controlled Trials, China National Knowledge Infrastructure database, Chinese Scientific Journal database, Wan Fang databases were searched to retrieve randomized clinical trials comparing interscalene brachial plexus block, continuous interscalene brachial plexus block, supraclavicular brachial plexus block, suprascapular nerve block, combined suprascapular and axillary nerve block and local infiltration analgesia on postoperative pain, opioid consumption, and adverse effects (defined as Horner's syndrome, dyspnea, hoarseness, vomiting, and nausea) after ASS under general anesthesia (GA). Two reviewers independently screened the literature, extracted data, and evaluated the risk of bias in the included studies.
RESULTS
A total of 1,348 articles were retrieved initially and 36 randomized clinical trials involving 3,124 patients were included in the final analysis. The network meta-analysis showed that interscalene brachial plexus block was superior in reducing pain and opioid consumption compared to the five other interventions. However, adverse effects were reduced using suprascapular nerve block and combined suprascapular and axillary nerve block compared to interscalene brachial plexus block.
CONCLUSION
Interscalene brachial plexus block was superior in reducing pain and opioid consumption compared to other peripheral nerve blocks but had a higher frequency of adverse events.
PubMed: 36438028
DOI: 10.3389/fmed.2022.1032253 -
Journal of Pediatric Hematology/oncology Mar 2023Neuroblastoma (NBL) is the most common extracranial solid tumor found in pediatric patients. It develops from the sympathetic tract tissue. Although the symptoms are...
Neuroblastoma (NBL) is the most common extracranial solid tumor found in pediatric patients. It develops from the sympathetic tract tissue. Although the symptoms are associated with tumor localization, sometimes NBL is manifested as ophthalmologic disorders. In this paper, we describe their incidence and the correlation with the prognosis. We searched 2 databases (PubMed and Web of Science) for papers published before April 2022, and concerned pediatric patients with NBL, which caused ophthalmologic changes. We collected 7 papers assessing the occurrence of ophthalmologic findings in the NBL patients, as well as 68 case reports presenting children with orbital changes and NBL, or with other tumors stemming from the sympathetic ganglia. The statistical analysis was performed to synthetize the data. The ophthalmologic signs occurred in 17.89% of the NBL cases; however, they were observed on presentation in 10.68%. The isolated ocular presentation was found in 2.56% of patients, whereas Horner syndrome was most frequent. The ophthalmologic symptoms correlated with patients' age, primary tumor site, and survival rate. NBL may be challenging to diagnose in cases with isolated ophthalmologic manifestations. Numerous possible ocular signs can be observed, which emphasize the need for multidisciplinary care with regard to the NBL patients.
Topics: Child; Humans; Horner Syndrome; Neuroblastoma; Prognosis
PubMed: 36161977
DOI: 10.1097/MPH.0000000000002543 -
Annals of the Academy of Medicine,... Feb 2022To date, there have only been 2 systematic reviews, and 1 systematic review and meta-analysis on high-intensity focused ultrasound (HIFU) for benign thyroid nodules. The... (Meta-Analysis)
Meta-Analysis
INTRODUCTION
To date, there have only been 2 systematic reviews, and 1 systematic review and meta-analysis on high-intensity focused ultrasound (HIFU) for benign thyroid nodules. The present systematic review and meta-analysis seeks to evaluate the efficacy and safety of HIFU in the treatment of benign thyroid nodules.
METHODS
Pubmed, Embase and Cochrane databases were searched for relevant studies from 1990 to 2021. Nine studies were included in the systematic review and 6 in the meta-analysis. Pooled volume reduction rates (VRRs) at 3, 6 and 24 months after HIFU were assessed.
RESULTS
This systematic review and meta-analysis showed that pooled VRRs at 3, 6, and 24 months after HIFU were 42.14 (95% confidence interval [CI] 28.66-55.62, I2=91%), 53.51 (95% CI 36.78-70.25, I2=97%) and 46.89 (95% CI 18.87-74.92, I2=99%), respectively. There was significant heterogeneity in the pooled VRRs at 3, 6 and 24 months after HIFU. No studies recorded complete disappearance of the nodules. Common side effects included pain, skin changes and oedema. There were no major complications except for transient vocal cord paralysis and voice hoarseness (0.014%) and transient Horner syndrome (0.5%).
CONCLUSION
HIFU may be an effective and safe alternative treatment modality for benign thyroid nodules. Larger clinical trials with longer follow-up are needed to evaluate the effectiveness of HIFU in treating benign thyroid nodules.
Topics: Humans; High-Intensity Focused Ultrasound Ablation; Pain; Thyroid Nodule; Treatment Outcome
PubMed: 35224606
DOI: 10.47102/annals-acadmedsg.2021260 -
Journal of Anesthesia Feb 2022This systematic review aimed to compare the analgesic effectiveness and complications rates for anterior suprascapular nerve blocks (ASSB) compared to interscalene... (Meta-Analysis)
Meta-Analysis Review
Anterior suprascapular nerve block versus interscalene brachial plexus block for arthroscopic shoulder surgery: a systematic review and meta-analysis of randomized controlled trials.
This systematic review aimed to compare the analgesic effectiveness and complications rates for anterior suprascapular nerve blocks (ASSB) compared to interscalene brachial plexus blocks (ISB) for arthroscopic and outpatient shoulder surgery. Only randomized controlled trials (RCTs) comparing the ASSB versus ISB in the context of arthroscopic shoulder surgery were eligible for inclusion. The primary outcomes included pain scores (Numeric Rating Scale of 0 to 10) up to 24 h postoperatively and analgesic consumption. Secondary outcomes included block complications. Meta-analysis was performed using random-effects modeling and result certainty was determined using the GRADEpro tool. Six RCTs (709 patients) were included for analysis. ISB displayed a statistically significant reduction in pain scores by 0.40 (95%CI = 0.36 to 0.45; p < 0.00001) but not morphine equivalent consumption (mean difference = 0.74 mg; 95%CI = - 0.18 to 1.66 mg; I = 60%; p = 0.11; moderate certainty) immediately in the postoperative care unit. Opioid consumption and pain scores at 6 to 24 h were not significantly different. There was no difference in respiratory events postblock. ASSB demonstrated a significantly lower incidence of Horner's syndrome (relative risk (RR) = 0.17; 95%CI = 0.08 to 0.39; p < 0.00001; high certainty), voice hoarseness (RR = 0.24; 95%CI = 0.10 to 0.57; p < 0.00001; high certainty) and impaired respiratory function (p < 0.00001). The ASSB could be considered an appropriate analgesic option for arthroscopic shoulder surgery with potentially fewer complications than the ISB.
Topics: Anesthetics, Local; Arthroscopy; Brachial Plexus Block; Humans; Pain, Postoperative; Randomized Controlled Trials as Topic; Shoulder
PubMed: 34533639
DOI: 10.1007/s00540-021-03000-z -
The Journal of Allergy and Clinical... Oct 2021Concerns for anaphylaxis may hamper severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) immunization efforts. We convened a multidisciplinary group of... (Meta-Analysis)
Meta-Analysis Review
The Risk of Allergic Reaction to SARS-CoV-2 Vaccines and Recommended Evaluation and Management: A Systematic Review, Meta-Analysis, GRADE Assessment, and International Consensus Approach.
Concerns for anaphylaxis may hamper severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) immunization efforts. We convened a multidisciplinary group of international experts in anaphylaxis composed of allergy, infectious disease, emergency medicine, and front-line clinicians to systematically develop recommendations regarding SARS-CoV-2 vaccine immediate allergic reactions. Medline, EMBASE, Web of Science, the World Health Organizstion (WHO) global coronavirus database, and the gray literature (inception, March 19, 2021) were systematically searched. Paired reviewers independently selected studies addressing anaphylaxis after SARS-CoV-2 vaccination, polyethylene glycol (PEG) and polysorbate allergy, and accuracy of allergy testing for SARS-CoV-2 vaccine allergy. Random effects models synthesized the data to inform recommendations based on the Grading of Recommendation, Assessment, Development, and Evaluation (GRADE) approach, agreed upon using a modified Delphi panel. The incidence of SARS-CoV-2 vaccine anaphylaxis is 7.91 cases per million (n = 41,000,000 vaccinations; 95% confidence interval [95% CI] 4.02-15.59; 26 studies, moderate certainty), the incidence of 0.15 cases per million patient-years (95% CI 0.11-0.2), and the sensitivity for PEG skin testing is poor, although specificity is high (15 studies, very low certainty). We recommend vaccination over either no vaccination or performing SARS-CoV-2 vaccine/excipient screening allergy testing for individuals without history of a severe allergic reaction to the SARS-CoV-2 vaccine/excipient, and a shared decision-making paradigm in consultation with an allergy specialist for individuals with a history of a severe allergic reaction to the SARS-CoV-2 vaccine/excipient. We recommend further research to clarify SARS-CoV-2 vaccine/vaccine excipient testing utility in individuals potentially allergic to SARS-CoV2 vaccines or their excipients.
Topics: Anaphylaxis; COVID-19; COVID-19 Vaccines; Consensus; GRADE Approach; Humans; RNA, Viral; SARS-CoV-2
PubMed: 34153517
DOI: 10.1016/j.jaip.2021.06.006 -
Journal of the Neurological Sciences May 2021The seizure activity associated with hypothalamic hamartomas (HHs) is refractory to medical management and surgical intervention is often required. Stereotactic... (Review)
Review
BACKGROUND
The seizure activity associated with hypothalamic hamartomas (HHs) is refractory to medical management and surgical intervention is often required. Stereotactic Radiofrequency Ablation (SRFA) is a minimally invasive technique offering targeted lesion ablation with a reduced risk of complications.
OBJECTIVE
Here, we review the current literature on the use of SRFA for HHs.
METHODS
This study was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines for systematic literature review. A database search of PubMed, Cochrane, Embase, and Web of Science was conducted in July 2020.
RESULTS
A total of 12 articles were included in this review, showing outcomes for 185 unique patients. Of these patients, 142 (76.8%) experienced some extent of therapeutic benefit in alleviating seizures following SRFA, with 128 (69.2%) patients achieving complete freedom from seizures. Common transient complications included hyponatremia (52 patients, 28.1%), hyperphagia (48 patients, 25.9%), hyperthermia (47 patients, 25.4%), Horner's syndrome (103 patients, 55.7%), and weight gain (75 patients, 40.5%).
CONCLUSIONS
SRFA is a potential therapy for patients with HHs, especially when resection confers significant risk to surrounding structures. Multiple rounds of SRFA treatment may be needed in approximately a quarter of patients to improve gelastic seizure outcomes but may not affect non-gelastic seizures. There is limited data on the use of SRFA for HHs and further case series and clinical trials are needed to establish the use of SRFA for HHs.
Topics: Epilepsies, Partial; Hamartoma; Humans; Hypothalamic Diseases; Radiofrequency Ablation; Treatment Outcome
PubMed: 33813160
DOI: 10.1016/j.jns.2021.117428