scholarly journals Classification and Diagnosis of Pulmonary Nodules in Thoracic Surgery Using CT Image Segmentation Algorithm

2021 ◽  
Vol 2021 ◽  
pp. 1-8
Author(s):  
Degen Fang ◽  
Chunlei Li ◽  
Yanhong Ren
Keyword(s):  
Wedge Resection ◽  
Operation Time ◽  
Middle Level ◽  
Segmentation Algorithm ◽  
Smoking History ◽  
Linear Filter ◽  
Pulmonary Lobectomy ◽  
Research Subjects ◽  
Gray Scale ◽  
Pulmonary Wedge Resection

This study was aimed at studying the pulmonary nodule (PN) classification and diagnosis through computed tomography (CT) images based on segmentation algorithms. 120 PN patients were taken as research subjects. Linear filter fine segmentation algorithm under 3D region growth was compared with the initial segmentation algorithm and applied to images of PN patients. The results showed that the segmentation effect of the proposed algorithm was at the upper-middle level. The cases of patients with smoking history were greatly more than those without (χ2 = 1.256, P < 0.05 ). Benign and malignant PNs were classified, and morphological features included rough ones and round-like ones. The size characteristics included edge length and area. The gray-scale features included the uniformity of the gray-scale value and the mean value of the gray-scale value. The operation time of pulmonary lobectomy (76.2 ± 23.1 min) was obviously longer than that of pulmonary wedge resection (27.5.2 ± 4.5 min) ( P < 0.05 ). The surgical blood loss of patients who underwent pulmonary lobectomy (125 ± 42 mL) was remarkably higher versus patients who underwent pulmonary wedge resection (51.6 ± 13.8 mL) ( P < 0.05 ). After the operation, the length of stay of patients who underwent lobectomy (8.6 ± 1.4 days) was evidently longer than that of patients who underwent wedge resection (6.4 ± 1.2 days) ( P < 0.05 ). The classification of benign and malignant PNs can effectively obtain the shape and size characteristics of PNs. Preoperative positioning surgery based on classification can shorten the operation time, reduce the amount of bleeding during the operation, and help improve the success rate of surgical resection.

scholarly journals A Comparative Study of Intralobar Sequestration and Extralobar Pulmonary Sequestration

2021 ◽  
Author(s):  
Xiao Duqing ◽  
Wang Gefei ◽  
Liang Yalun ◽  
Yu Gang ◽  
Wu Zhaohong
Keyword(s):  
Wedge Resection ◽  
Operation Time ◽  
Pulmonary Sequestration ◽  
Postoperative Recovery ◽  
Intralobar Sequestration ◽  
Isolated Lung ◽  
Microscopic Evaluation ◽  
Significant Difference ◽  
The Difference ◽  
Pulmonary Wedge Resection

Abstract Objective: This study aims to identify the difference between patients who have been diagnosed with either intralobar sequestration (ILS) or extralobar sequestration (ELS).Methods: In this clinical study, 29 children with pulmonary sequestration (PS), diagnosed via physical examination and imaging at our hospital between January 2019 and January 2020, were enrolled. We compared whether statistical differences existed in the blood loss, operative time, and post-operative hospital stay between the two groups (ILS and ELS) after thoracoscopic pulmonary wedge resection.Results: There were no significant differences in gender, operative age, preoperative weight, and isolated lung position between the ILS and ELS groups (p > 0.05). There was significantly more intra-operative bleeding in children with ILS than those with ELS (p < 0.05), and the operation time and postoperative hospitalization times were significantly longer for those with ILS(p < 0.05). Upon microscopic evaluation after surgery, we found the appearance of ILS and ELS to be similar.Conclusion: Different types of congenital PS have different influences onnewborns during and after operation. For children with ILS, surgery is more difficult and the postoperative recovery is slower than for children with ELS. For this reason, we suggest that more attention should be paid to the clinical treatment of children with ILS. Although ILS and ELS present with different manifestations, we found no evidence of a significant difference in the postoperative microscopy of the two conditions.

scholarly journals A Minimally-Invasive, Simple, Rapid, and Effective Surgical Technique for the Treatment of Ingrown Toenails: A Reminder of the Original Winograd Procedure

2021 ◽  
Vol 18 (1) ◽  
pp. 278
Author(s):  
Jahyung Kim ◽  
Sanghyeon Lee ◽  
Jeong Seok Lee ◽  
Sung Hun Won ◽  
Dong Il Chun ◽  
...  
Keyword(s):  
Patient Outcomes ◽  
Simple Procedure ◽  
Wedge Resection ◽  
Operation Time ◽  
University Hospital ◽  
Wound Infections ◽  
Germinal Matrix ◽  
One Year ◽  
Ingrown Toenails

(1) Background: Ingrown toenail is a common disorder of the toe that induces severe toe pain and limits daily activities. The Winograd method, the most widely used operative modality for ingrown toenails, has been modified over years to include wedge resection of the nail fold and complete ablation of the germinal matrix. We evaluated the outcomes of original Winograd procedure without wedge resection with electrocautery-aided matrixectomy. (2) Methods: We retrospectively analyzed the outcomes of patients who underwent surgery for ingrown toenails at a university hospital for two years from November 2015 to October 2017. Surgery was performed in 76 feet with a mean operation time of 9.34 min. (3) Results: The minimal interval from surgery to return to regular activities was 13.26 (range 7 to 22) days. Recurrence and postoperative wound infections were found in 3 (3.95%) and 2 (2.63%) patients, respectively. Evaluation of patient satisfaction at one-year follow-up showed that 40 (52.63%) patients were very satisfied, 33 (43.42%) were satisfied, 3 (3.95%) were dissatisfied, and none of them were very dissatisfied. The average follow-up duration was 14.66 (range 12 to 25) months. (4) Conclusions: Therefore, it is believed that this less-invasive and simple procedure could be easily performed by clinicians, with satisfactory patient outcomes.

scholarly journals Anesthetic Effect of Compound Artevacaine Hydrochloride in Patients Undergoing Oral Implantation

2021 ◽  
Vol 5 (4) ◽  
pp. 220-224
Author(s):  
Chengxi Chi ◽  
Mengmeng Zhao ◽  
Jiajing He ◽  
Yanli Wang
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Operation Time ◽  
Control Group ◽  
Study Group ◽  
Research Subjects ◽  
Implant Surgery ◽  
Anesthetic Effect ◽  
Significant Difference ◽  
Oral Implant

Objective: To investigate and analyze the anesthetic effect of compound artevacaine hydrochloride in patients undergoing oral implantation. Methods: In this study, 60 patients receiving oral implant surgery in our hospital were selected as the research subjects, and the operation time was from July 2019 to March 2021. Patients were randomly selected and divided into groups for the study. 30 patients receiving lidocaine hydrochloride anesthesia were used as the control group, and 30 patients receiving compound artevacaine hydrochloride anesthesia were used as the research group. The anesthetic effect and safety of the two groups were compared and analyzed. Results: The anesthetic effect of the study group was significantly better than that of the control group (P < 0.05). The blood pressure and heart rate in the study group were significantly lower than those in the control group (P < 0.05). There was no significant difference in blood pressure and heart rate between the two groups before anesthesia (P > 0.05). There was no significant difference in the incidence of ADR between the two groups (P > 0.05). Conclusions: For patients undergoing oral implant surgery, choosing compound artevacaine hydrochloride as anesthetic drug has obvious anesthetic effect and can stabilize patients' life indexes. The anesthetic effect is obvious, and there is no obvious adverse reaction, and the clinical value is obvious.

scholarly journals Platypnea–orthodeoxia syndrome after pulmonary wedge resection in a patient with severe scoliosis

2020 ◽  
Vol 30 (5) ◽  
pp. 790-791
Author(s):  
Stefano Maria Donghi ◽  
Giulia Sedda ◽  
Juliana Guarize ◽  
Lorenzo Spaggiari
Keyword(s):  
Wedge Resection ◽  
Upright Position ◽  
Unique Case ◽  
Severe Scoliosis ◽  
Rare Syndrome ◽  
Arterial Desaturation ◽  
The Subject ◽  
Pulmonary Wedge Resection

Abstract Platypnea–orthodeoxia is a rare syndrome characterized by dyspnoea and arterial desaturation, exacerbated by an upright position and relieved when the subject is recumbent. We report on a unique case of a patient with severe scoliosis who presented with several episodes of arterial desaturation after right pulmonary wedge resection.

scholarly journals Is tubeless uniportal video-assisted thoracic surgery for pulmonary wedge resection a safe procedure?

2020 ◽  
Vol 58 (Supplement_1) ◽  
pp. i70-i76 ◽  
Author(s):  
Chao-Yu Liu ◽  
Po-Kuei Hsu ◽  
Ka-I Leong ◽  
Chien-Kun Ting ◽  
Mei-Yung Tsou
Keyword(s):  
Thoracic Surgery ◽  
Thoracoscopic Surgery ◽  
Wedge Resection ◽  
Chest Drain ◽  
Safe Procedure ◽  
X Rays ◽  
Video Assisted Thoracic Surgery ◽  
Video Assisted ◽  
Clinically Significant ◽  
Pulmonary Wedge Resection

Abstract OBJECTIVES Tubeless uniportal video-assisted thoracic surgery (VATS), using a uniportal approach and non-intubated anaesthesia while avoiding postoperative chest drain insertion, for patients undergoing thoracoscopic surgery has been demonstrated to be feasible in selected cases. However, to date, the safety of the procedure has not been studied. METHODS We reviewed consecutive patients undergoing non-intubated uniportal VATS for pulmonary wedge resection at 2 medical centres between August 2016 and October 2019. The decision to avoid chest drain insertion was made in selected candidates. For those candidates in whom a tubeless procedure was performed, postoperative chest X-rays (CXRs) were taken on the day of the surgery [operation (OP) day], on postoperative day 1 and 1–2 weeks later. The factors associated with abnormal CXR findings were studied. RESULTS Among 135 attempts to avoid chest drain insertion, 13 (9.6%) patients ultimately required a postoperative chest drain. Among 122 patients in which a tubeless procedure was performed, 26 (21.3%) and 47 (38.5%) had abnormal CXR findings on OP day and postoperative day 1, respectively. Among them, 3 (2.5%) patients developed clinically significant abnormal CXRs and required intercostal drainage. Primary spontaneous pneumothorax was independently associated with a higher risk of postoperative abnormal CXRs. CONCLUSIONS Tubeless uniportal VATS for pulmonary wedge resection can be safely performed in selected patients. Most patients with postoperative abnormal CXRs presented subclinical symptoms that spontaneously resolved; only 2.5% of patients with postoperative abnormal CXRs required drainage.

Safety and efficacy of a technique for thoracoscopically guided pulmonary wedge resection in horses

2002 ◽  
Vol 63 (9) ◽  
pp. 1232-1240 ◽  
Author(s):  
Joel Lugo ◽  
John A. Stick ◽  
John Peroni ◽  
Jack R. Harkema ◽  
Frederik J. Derksen ◽  
...  
Keyword(s):  
Wedge Resection ◽  
Safety And Efficacy ◽  
Pulmonary Wedge Resection

scholarly journals A Distributed K-Means Segmentation Algorithm Applied to Lobesia botrana Recognition

Complexity ◽  
2017 ◽  
Vol 2017 ◽  
pp. 1-14 ◽  
Author(s):  
José García ◽  
Christopher Pope ◽  
Francisco Altimiras
Keyword(s):  
Data Mining ◽  
Early Detection ◽  
Mobile Application ◽  
Image Data ◽  
Lobesia Botrana ◽  
Segmentation Algorithm ◽  
Gray Scale ◽  
Image Capture ◽  
Major Pest ◽  
Novel Method

Early detection of Lobesia botrana is a primary issue for a proper control of this insect considered as the major pest in grapevine. In this article, we propose a novel method for L. botrana recognition using image data mining based on clustering segmentation with descriptors which consider gray scale values and gradient in each segment. This system allows a 95 percent of L. botrana recognition in non-fully controlled lighting, zoom, and orientation environments. Our image capture application is currently implemented in a mobile application and subsequent segmentation processing is done in the cloud.

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