Notes

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The endoplasmic reticulum (ER) is one of the largest cytoplasmic organelles in eukaryotic cells and plays a role in many cellular processes, such as the production and quality control of secretory protein, lipid synthesis, and calcium homeostasis. The ER cannot be generated de novo, and thus its proper inheritance during cell division is paramount to the health and survival of the daughter cells. Although previous work has uncovered the cytoskeletal components involved, we still lack a comprehensive understanding of the intricate steps of and the cytoplasmic and membrane-bound components involved in ER inheritance. Screening high throughput screening To directly address these issues, we utilized microfluidics and genetic analyses to show that before nuclear migration, early ER inheritance can be further divided into three distinctive steps. Moreover, we demonstrated that perturbing each of these steps affects the cell's ability to mitigate ER stress. Thus, proper ER inheritance is essential to ensuring a healthy, functional cell.In indolent non-Hodgkin's lymphoma (iNHL), patients treated with rituximab, alone or in combination with various chemotherapeutic agents eventually relapse. This study evaluated the combination of ofatumumab and bendamustine, followed by maintenance ofatumumab in patients with relapsed iNHL with prior sensitivity to rituximab. Among the 49 patients enrolled, 24.5% achieved a complete response (CR) and 42.9% achieved a partial response (PR), with an overall response rate of 67.3% at the end of the induction therapy. Additionally, six patients with PR during induction phase achieved CR during the maintenance phase. Treatment-related adverse event was observed in 95.9% patients. The most common hematologic and biochemical abnormalities were decrease in lymphocytes (85.7%) and increase in glucose (91.8%), respectively. Overall, 42.9% progressed and 14.3% died during the study. Thus, ofatumumab in combination with bendamustine, followed by ofatumumab maintenance, was effective in the treatment of patients with iNHL with a manageable safety profile (NCT01294579).
There is increasing concern among hospital personnel about potential secondary exposure when treating chemically contaminated patients.

To assess which circumstances and chemicals require the use of Level C Personal Protective Equipment (chemical splash suit and air-purifying respirator), to prevent secondary contamination of hospital personnel treating a chemically contaminated patient.

The US National Library of Medicine PubMed database was searched for the years 1985 to 2020 utilizing combinations of relevant search terms. This yielded 557 papers which were reviewed by title and abstract. After excluding papers on biological or radiological agents, or those not related to hospital personnel, 38 papers on chemicals remained. After a full-text review, 13 papers without an in-depth discussion on the risk for secondary contamination were omitted, leaving 25 papers for review. The references of these papers were searched and this yielded another seven additional citations, bringing the total to 32 papers.taminated patients is small. Normal hygienic precautions (gloves and water-resistant gown) will adequately protect hospital staff when treating the majority of chemically contaminated patients. More extensive protection is only necessary infrequently and there is no reason to delay critical care, even if more elaborate protection is not immediately available.
The risk of secondary contamination and subsequent toxicity in hospital personnel decontaminating or treating chemically contaminated patients is small. Normal hygienic precautions (gloves and water-resistant gown) will adequately protect hospital staff when treating the majority of chemically contaminated patients. More extensive protection is only necessary infrequently and there is no reason to delay critical care, even if more elaborate protection is not immediately available.
Feasibility of diagnosis of pneumothorax using handheld ultrasound by non-radiologists shows inconsistent results. The aim of this study is to evaluate the feasibility and accuracy of portable ultrasound for immediate diagnosis of pneumothorax by general surgery residents who underwent short training.

Patients who presented to the emergency department of a university hospital with suspected pneumothorax between 10/2018 and 12/2019 were included in the study. Patients underwent ultrasound in 2 points of each hemithorax. Sensitivity and specificity for pneumothorax diagnosis by ultrasound and physical examination were calculated and compared with chest computed tomography (CT). Patients in whom a chest tube was placed prior to ultrasound examination and those who did not undergo a CT scan were excluded from the study.

A total of 85 patients met the inclusion criteria. Mean age was 40.7 ± 20.2 years. Pneumothorax was found among 46 patients (54%) per chest CT, and of these, 21 (46%) underwent chest tube plble test, and has the potential for successful implementation in prehospital and military scenarios as well, minimizing unnecessary chest tube placements.
In the tide of robot-assisted minimally invasive surgery, few cases of robot-assisted pneumonectomy exist in the literature. This study evaluates the perioperative outcomes and risk factors for conversion to thoracotomy with an initial robotic approach to pneumonectomy for lung cancer.

This study is a single-center retrospective review of all pneumonectomies for lung cancer with an initial robotic approach between 2015 and 2019. Patients were divided into 2 groups surgeries completed robotically and surgeries converted to thoracotomy. Patient demographics, preoperative clinical data, surgical pathology, and perioperative outcomes were compared for meaningful differences between the groups.

Thirteen total patients underwent robotic pneumonectomy with 8 of them completed robotically and 5 converted to thoracotomy. There were no significant differences in patient characteristics between the groups. The Robotic group had a shorter operative time (
< 0.01) and less estimated blood loss (
= 0.02). There were more lymph nodes harvested in the Robotic group (
= 0.
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