Publications by authors named "Chen Yun-yun"

Article Synopsis
  • C-arm fluoroscopy is crucial for accurately visualizing the irregular anatomical structures during surgeries involving the femoral neck, as traditional imaging techniques are often inadequate.
  • The study analyzed the femoral neck's anatomy by measuring specific angles related to its surfaces and tested optimal C-arm angles for better fluoroscopic imaging.
  • Results indicated the femoral neck's complex shape and determined the best angles for visualizing various surfaces, with an emphasis on the effectiveness of Kirschner wires in imaging during procedures.
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  • This study explored how catastrophic thinking about pain affects individual pain sensitivity during procedures, specifically a nerve block without sedation, in 42 healthy volunteers.
  • The results indicated that higher levels of situational catastrophizing were linked to increased pain sensitivity, notably in males, and qualitative interviews highlighted the role of emotional responses and discrepancies between expected and actual pain experiences.
  • Overall, the findings emphasize the significance of personal expectations and emotions in shaping pain experiences, suggesting potential strategies for improving patient comfort during medical procedures.
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  • The paper discusses a new method for extracting phase information from moiré fringes using the Morlet continuous wavelet transform, which is essential for accurate results in moiré tomography.
  • The authors provide a comprehensive explanation of the theory and algorithm behind this method and conduct experiments on four different flow fields to test its effectiveness.
  • Results show that the Morlet continuous wavelet transform outperforms traditional techniques like Fourier transform and Gabor wavelet transform in terms of accuracy and smoothness, indicating its potential for broader applications.
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  • Ovarian function suppression (OFS) treatment helps breast cancer patients but also causes a lot of physical and emotional side effects, which can affect their recovery.
  • Many patients struggle to manage these side effects on their own due to a lack of knowledge or motivation.
  • A study is being done to test a guided self-help program that teaches patients how to cope with their symptoms better and improve their overall treatment experience.
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Introduction: Early diagnosis of acute extremity compartment syndrome is crucial to timely surgical management. Pain is commonly used as an early diagnostic sign for acute extremity compartment syndrome, making regional anesthesia after lower extremity surgery controversial. This randomized study tested whether different concentrations of local anesthetics, or combinations of nerve blocks, would differentially impact the perception of acute extremity compartment syndrome-like pressure and ischemic pain.

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Preoperative anxiety has an incidence of 11-80% in patients undergoing surgical or interventional procedures. Understanding the role of preoperative anxiety on intraoperative anesthetic requirements and postoperative analgesic consumption would allow personalized anesthesia care. Over- or under-anesthetizing patients can lead to complications such as postoperative cognitive dysfunction in elderly patients, or procedural discomfort, respectively.

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Study Objective: This study aimed to assess the impact of data-driven didactic sessions on metrics including fund of knowledge, resident confidence in clinical topics, and stress in addition to American Board of Anesthesiology In-Training Examination (ITE) percentiles.

Design: Observational mixed-methods study.

Setting: Classroom, video-recorded e-learning.

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Purpose Of Review: Millions of perioperative crises (e.g. anaphylaxis, cardiac arrest) may occur annually.

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Background: In 1970, Harold James Charles Swan and William Ganz published their work on the pulmonary artery catheter (PAC or Swan-Ganz catheter). They described the successful bedside use of a flow-directed catheter to continuously evaluate the heart, and it was used extensively in the years following to care for critically ill patients. In recent decades, clinicians have reevaluated the risks and benefits of the PAC.

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Background: Persistent post-mastectomy pain (PPMP) varies both in its severity and impact, with psychosocial factors such as catastrophizing conferring greater risk. Preoperative regional anesthesia (RA) is an important nonopioid therapy, but with variable success at preventing PPMP in previous reports. We previously reported that RA was associated with lower acute post-mastectomy pain and opioid use, but more prominently among patients with higher baseline catastrophizing.

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Purpose Of Review: The landscape of medical education continues to evolve. Educators and learners must stay informed on current medical literature, in addition to focusing efforts on current educational trends and evidence-based methods. The present review summarizes recent advancements in anesthesiology education, specifically highlighting trends in e-learning and telesimulation, and identifies possible future directions for the field.

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  • The study aimed to assess how electroacupuncture at specific points (Baihui and Shenshu) affects the expression of proteins related to autophagy in the hippocampus of rats with Alzheimer's disease.
  • A total of 48 male rats were divided into four groups, including a model group that received D-galactose to induce Alzheimer's, with some receiving actual electroacupuncture and others receiving sham treatment.
  • Results showed that the model group experienced worse cognitive performance and lower synapse density, along with increased levels of certain autophagy-related proteins, compared to the control group, indicating the potential benefits of electroacupuncture in improving Alzheimer's symptoms.
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In this paper, the multiresolution analysis (MRA) method is used to preprocess moiré fringes, which can reduce the number of data points and increase computation speeds. To discuss the applicability of the method, a candle combustion flow field is chosen as an example for experiment by moiré deflectometry. First, moiré fringes are preprocessed by the MRA method.

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  • The study aimed to evaluate the effects of pre-exercise acupuncture at specific points (Neiguan and Zusanli) on reducing fatigue in participants.
  • Fifty subjects were randomly assigned to an observation group (receiving acupuncture) and a control group (no treatment), with various measurements taken before and after exercise.
  • Results showed that the observation group experienced significantly lower fatigue scores, lactate levels, and heart rates after exercise compared to the control group, suggesting acupuncture may help alleviate exercise-induced fatigue.
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Chloraserrtone A (1), a new sesquiterpenoid dimer with two lindenane-type sesquiterpenoid monomers bridged by two six-membered rings, was obtained from Chloranthus serratus. A combination of UV, IR, NMR, HRESIMS, and X-ray diffraction data were used to elucidate the structure of 1. Compound 1 represents the first lindenane-type sesquiterpenoid dimer with extremely unique C-15-C-15', C-4-C-6', and C-6-C-11' linkages to form two six-membered rings between the monomeric units.

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Mannosylxylarinolide (), a new 3,4--ergostane-type steroidal saponin featuring a -d-mannose moiety, was isolated from the culture of the endophytic fungus sp. that had been isolated from an ornamental plant of sp. The gross structure was determined by spectroscopic data, and the absolute configuration of the new 3,4--ergostane-type steroidal saponin () was determined by X-ray diffraction analysis.

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is an economically important plant in Asia, and used medicinally, ornamentally and as a vegetable. In April 2017, leaf spot disease on was observed in Shiyan, Hubei, China. A single-spore isolate was obtained and identified based on morphology and sequence analysis using four regions (rDNA ITS, GAPDH, EF-1α, and RPB2).

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BACKGROUND Weight gain is a common side effect observed in breast cancer (BC) patients undergoing adjuvant chemotherapy, although the characteristics and mechanism are not been fully understood. This study aimed to investigate percent body fat (%BF) change, and identify the associated risk factors among Chinese women receiving chemotherapy for BC. MATERIAL AND METHODS A prospective longitudinal study was conducted on a cohort of 140 Chinese female patients with BC between June 2016 and October 2017.

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Few studies have evaluated the performance of percutaneous core needle biopsies of the pancreas. This article is an overview of the advantages, disadvantages, predictive power and complications associated with percutaneous ultrasound-guided core needle biopsies of pancreatic lesions. A comprehensive literature search of Medline (using PubMed as the search engine) and EMBASE was done to identify suitable studies up to March 2017.

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Two novel biscembranoids, sarelengans A and B ( and ), five new cembranoids, sarelengans C-G (-), along with two known cembranoids ( and ) were isolated from the South China Sea soft coral . Their structures were determined by spectroscopic and chemical methods, and those of , , , and were confirmed by single crystal X-ray diffraction. Compounds and represent the first example of biscembranoids featuring a -fused A/B-ring conjunction between the two cembranoid units.

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