Publications by authors named "Fernando H"

The crystal structure of the title compound, [Ni(CHN)(NO)]NO, at room temperature, has monoclinic (2/) symmetry. The structure displays inter-molecular hydrogen bonding. The nickel displays a distorted bipyramidal geometry with the symmetric bidentate bonded nitrate occupying an equatorial site.

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Background: There has been increasing adoption of robot-assisted thoracic surgery (RATS) and uniportal video-assisted thoracic surgery (uVATS) for lung resection. We undertook a single-institution retrospective study, comparing these approaches.

Methods: An analysis was performed of patients who underwent lung resection by either uVATS or RATS.

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Objectives: Minimally invasive thoracic surgery can cause significant pain, and optimizing pain control after surgery is highly desirable. We examined pain control after intercostal nerve block with or without cryoablation of the intercostal nerves.

Methods: This was a randomized study (NCT05348447) of adults scheduled for a minimally invasive thoracic procedure.

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Article Synopsis
  • Subacute thyroiditis is an inflammation of the thyroid gland that typically presents with neck pain and hyperthyroid symptoms, but can sometimes show up as fever without these classic signs.
  • A case study of a 62-year-old man with diabetes demonstrated this unusual presentation, where he had a month-long fever and mild headache but no significant symptoms.
  • Investigations revealed inflammation markers and abnormal thyroid hormone levels, leading to a diagnosis of subacute thyroiditis, which improved significantly with steroid treatment, emphasizing the need to consider thyroid issues in patients with fever of unknown origin.
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Article Synopsis
  • Penile calciphylaxis is a rare but serious condition seen in patients with end-stage renal disease (ESRD), particularly those on dialysis.
  • A 50-year-old man with a history of hypertension, diabetes, and ESRD experienced severe penile pain and was diagnosed after a circumcision revealed necrotic tissue.
  • Despite treatment efforts, his condition progressed to gangrene, leading to a partial penectomy, highlighting the need for awareness of calciphylaxis in ESRD patients with penile symptoms.
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Fentanyl test strips (FTS) are lateral flow immunoassays that were originally designed and validated for detecting low concentrations of fentanyl in urine. Some FTS are now being marketed for the harm reduction purpose of testing street drugs for the presence of fentanyl. This manuscript provides a simple protocol to assess whether different brands and lots of fentanyl test strips perform adequately for use in drug checking.

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Background: There are no standard guidelines regarding the number and size of chest tubes that should be selected after thoracic surgery. This study aimed to evaluate the effects of adopting a drainage strategy with bi-pigtail catheters (BPCs) on patients undergoing lobectomy by uniportal video-assisted thoracic surgery (VATS).

Methods: A retrospective study was performed of patients undergoing uniportal lobectomy at the Department of Thoracic Surgery of the Cancer Hospital of Dalian University of Technology between August 2021 and August 2022.

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Hypomagnesemia is defined as serum magnesium levels less than 0.7mmol/L and can result in a plethora of symptoms ranging from mild gastrointestinal symptoms to serious conditions such as cardiac arrhythmias and neurological complications. When considering the etiological factors, drug-induced hypomagnesemia is highlighted because commonly used medications such as proton pump inhibitors (PPIs), aminoglycoside antibiotics, and loop and thiazide diuretics can cause low magnesium levels.

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A method for separating M. oryzae from rice samples infected with multiple pathogens using basic laboratory equipment is described. We conducted a series of experiments to obtain a single spore of M.

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Mycobacterium avium complex (MAC) is often observed in immunocompromised individuals. However, when pulmonary MAC infection occurs in immunocompetent individuals, particularly elderly females, characteristically involving the middle lobe and lingula lobe of the lung, it is known as Lady Windermere syndrome (LWS). A 64-year-old female patient with no significant comorbidities presented with a history of low-grade intermittent fever and dry cough for one-month duration complicated with hemoptysis for two days.

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Objective: Small pulmonary nodules can be difficult to identify during minimally invasive surgical (MIS) resection. Previous investigators have reported using standard bronchoscopy with electromagnetic navigation to identify small pulmonary nodules. Robot-assisted bronchoscopy has been introduced into clinical practice and has shown utility for the biopsy of small lesions.

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The Society of Thoracic Surgeons Workforce on Evidence-Based Surgery provides this document on management of pleural drains after pulmonary lobectomy. The goal of this consensus document is to provide guidance regarding pleural drains in 5 specific areas: (1) choice of drain, including size, type, and number; (2) management, including use of suction vs water seal and criteria for removal; (3) imaging recommendations, including the use of daily and postpull chest roentgenograms; (4) use of digital drainage systems; and (5) management of prolonged air leak. To formulate the consensus statements, a task force of 15 general thoracic surgeons was invited to review the existing literature on this topic.

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Thrombotic thrombocytopenic purpura (TTP) is one of the rarely encountered complications of hump-nosed viper bites, which requires early detection and specific management. Hump-nosed viper bites are well known to affect multiple systems, and it is imperative to identify and manage each complication simultaneously. A 48-year-old patient presented to the hospital following a hump-nosed viper bite, where he subsequently developed local necrosis, acute kidney injury (AKI), and TTP.

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Background: Traditional thoracotomy, an invasive surgical procedure, has been the standard approach for extended lobectomy in treating non-small cell lung cancer (NSCLC). However, minimally invasive surgery (MIS) has gained traction with advancements in surgical techniques. Despite this, the outcomes of extended lobectomy via a minimally invasive approach remain largely uncharted.

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Objective: We used a framework to assess the value implications of thoracic surgeon operative volume within an 8-hospital health system.

Methods: Surgical cases for non-small cell lung cancer were assessed from March 2015 to March 2021. High-volume (HV) surgeons performed >25 pulmonary resections annually.

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The Monsoon Intra-Seasonal Oscillations in the Bay of Bengal (MISO-BOB) field campaign was conducted in the Indian Ocean during the 2018 and 2019 summer monsoon seasons. WC-130J aircraft of the 53rd Weather Reconnaissance Squadron of the US Air Force participated in the campaign in June 2018. The dropsonde observations across a tropical supercluster showed zonal wind variations in association with the structure of the convectively coupled Kelvin wave (CCKW).

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Background: The unplanned and intensified use of insecticides to control mosquito-borne diseases has led to an upsurge of resistance to commonly used insecticides. Aedes aegypti, the main vector of dengue, chikungunya, and Zika virus, is primarily controlled through the application of adulticides (pyrethroid insecticides) and larvicides (temephos). Fine spatial-scale analysis of resistance may reveal important resistance-related patterns, and the application of mathematical models to determine the phenotypic resistance status lessens the cost and usage of resources, thus resulting in an enhanced and successful control program.

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Direct policy learning (DPL) is a widely used approach in imitation learning for time-efficient and effective convergence when training mobile robots. However, using DPL in real-world applications is not sufficiently explored due to the inherent challenges of mobilizing direct human expertise and the difficulty of measuring comparative performance. Furthermore, autonomous systems are often resource-constrained, thereby limiting the potential application and implementation of highly effective deep learning models.

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Glow enzyme-linked immunosorbent assay (glow ELISA) uses inexpensive and shelf-stable glow stick reagents to chemically excite fluorescent reporters, obviating the need for excitation light sources, filters, and complex optics. It achieves excellent limits of detection while offering portability and equipment cost comparable to lateral flow immunoassays.

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Objective: Pain requiring opioid use remains an issue even with minimally invasive thoracic surgery. The objective of this study was to investigate the effectiveness of intercostal nerve cryoablation (CRYO) for pain control in adult patients undergoing pulmonary resection.

Methods: A retrospective analysis of patients undergoing pulmonary resection by uniportal video-assisted thoracic (uVATS) approach was undertaken.

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Current treatment for early-stage lung cancer focuses on surgical intervention as the mainstay of treatment; however, this poses issues in patients that are high-risk or unable to tolerate any operation. In this case, sublobar resection or radiation therapy has been the primary treatment for these subsets of patients. Alternative approaches include stereotactic body radiation therapy (SBRT) and thermal ablation.

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Background: The impact of age on outcomes in cardiogenic shock (CS) is poorly described in the pre-hospital setting. We assessed the impact of age on outcomes of patients treated by emergency medical services (EMS).

Methods: This population-based cohort study included consecutive adult patients with CS transported to hospital by EMS.

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Background: Mastectomy has often been cited as the favoured option for centrally located breast tumours because lumpectomies or quadrantectomies that remove the nipple-areola complex often result in poor cosmesis. Currently, breast-conserving treatment is a preferred treatment for centrally located breast tumours, but this approach requires oncoplastic breast technique to avoid aesthetic sequels. This article describes the use of breast reduction techniques with immediate nipple-areola complex reconstruction (utilised to treat breast cancer) for centrally sited breast tumours PATIENTS: Ten patients suffering from a centrally located breast carcinoma were treated at our breast unit over a period of 16 years (2006-2022).

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Intermolecular interaction between key residue N501 of the epitope on SARS-CoV-2 RBD and screening antibody B38 was studied using the QM/MM and QM approach. The QM/MM optimized geometry shows that angle X-H---Y is 165° for O-H---O between mAb light chain S30 and RBD N501. High level MP2 calculations indicated the interaction between RBD N501 and S30 of B38 Fab light chain provide a relatively strong attractive force of - 3.

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Aims: Opioid analgesia has been shown to interfere with the bioavailability of oral P2Y12 inhibitors prompting the search for safe and effective non-opioid analgesics to treat ischaemic chest pain.

Methods And Results: The lidocAine Versus Opioids In MyocarDial infarction trial was a prospective, Phase II, prehospital, open-label, non-inferiority, randomized controlled trial enrolling patients with suspected STEACS with moderate to severe pain [numerical rating scale (NRS) at least 5/10]. Intravenous lidocaine (maximum dose 300 mg) or intravenous fentanyl (up to 50 µg every 5 min) were administered as prehospital analgesia.

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