Objectives: This study aims to report the incidence of inadvertent parathyroid gland removal during thyroidectomies, as documented by pathology
reports, and investigate its association with ...hypocalcemia.
Materials and Methods: The patients who underwent thyroidectomy at our department between 2009 and 2013 were retrospectively reviewed. The
patients who had standard total thyroidectomy were included in the study. Data on patient demographics, surgical reports, experience of surgeons,
anatomical localization of excised parathyroid glands (PG) and laboratory results were evaluated. Patients were divided into two groups according
to the presence or absence of an excised PG in the histopathology report (group P: presence of PG, and group T: absence of PG).
Results: A total of 343 patients were included to study. Of these, 26 patients were in group P, and 317 in group T. Post-operative hypocalcemia was
encountered in 37 patients. Hypocalcemia rates were similar between two groups (p=0.45). Surgical experience was found to decrease the rate of
Inadvertent parathyroidectomy (IP) (p=0.04), however, it wasn’t associated with post-operative hypocalcemia (p=0.72).
Conclusion: IP is an undesirable finding that can be encountered by surgeons. Our findings showed that IP was found to be associated with surgical
experience. However, these results were not associated with post-operative hypocalcemia.
Objectives
This study aimed to determine the frequency of a persistent yolk sac in pregnancies at 12 to 13 weeks and to investigate whether a persistent yolk sac is associated with an adverse ...gestational outcome.
Methods
This study reviewed a total of 282 women who had normal singleton pregnancies with a gestational age of 12 weeks to 13 weeks 6 days and who were consecutively admitted to the study center for first‐trimester screening (for chromosomal abnormalities) between April 2010 and February 2011. A persistent yolk sac has been defined as a yolk sac that has achieved a diameter of 5.6 mm or greater without losing its internal pressure at the 12th week of pregnancy or later.
Results
A persistent yolk sac was detected by sonography in 25 pregnancies. The average diameter of the persistent yolk sacs ± SD was 6.3 ± 0.2 mm (range, 5.6–8.0 mm). The frequency of a persistent yolk sac in pregnancies at 12 weeks was significantly higher than that at 13 weeks (P = .017). A persistent yolk sac was not associated with adverse perinatal outcomes, including abnormal sonographic findings, isolated structural defects, poor obstetric outcomes, and perinatal mortality.
Conclusions
Although yolk sacs mostly disappear toward the end of the first gestational trimester, they may sometimes persist even to the 13th week of gestation. The persistence of the yolk sac seems to be unrelated to an adverse perinatal outcome.
Primary mediastinal B-cell lymphomas (PMBL) are aggressive B- cell lymphomas. Although the initial treatment models vary in PMBL, appropriate treatment methods are not known. We aim to show real-life ...data on health outcomes in adult patients with PMBL who received various type of chemoimmunotherapies in Turkey.
We analyzed the data of 61 patients who received treatments for PMBL from 2010 to 2020. The overall response rate (ORR), overall survival (OS) and progression-free survival (PFS) of the patients were evaluated.
61 patients were observed in this study. The mean age of the study group was 38.4 ± 13.5 years. From among them, 49.2% of the patients were female (n = 30). For first-line therapy, 33 of them had received rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) regimen (54%). Twenty-five patients had received rituximab, etoposide, prednisone, vincristine, cyclophosphamide and doxorubicin (DA-EPOCH-R) regimen. The ORR was 77%. The median OS and PFS were as follows: 25 months (95% CI: 20.4-29.4) and 13 months (95% CI: 8.6-17.3), respectively. The OS and PFS at 12 months were 91.3% and 50%, respectively. The OS and PFS at five years were 64.9% and 36.7%, respectively. Median follow-up time period was 20 months (IQR 8.5-38.5).
R-CHOP and DA-EPOCH-R showed good results in PMBL. These remain one of the best determined systemic treatment options for first-line therapy. Also, the treatment was associated with good efficacy and tolerability.
The ECG uses some methods to diagnose these cardiac arrhythmias and tries to correct the diagnosis. ECG signals are characterized by a collection of waves such as P, Q, R, S, T. These five waves are ...preformed, wave transformed, and classified. In the current literature, the P, Q, R, S, T waves in ECG signals are classified using some machine learning techniques. In the work to be done, MLP (Multi Layer Perceptron) and SVM (Support Vector Machine) classification techniques which are not compared with each other using these signals will be compared. Is study, BP (Back Propagation) algorithm with MLP classifier and K-A (Kernel-Adatron) algorithm with SVM classifier were used. In addition, the use of these methods is new in the field of ECG classification. It will try to find a more effective method with new uses in the study and the literature will contribute to this area. In addition, wave transformation techniques such as DWT, DCT, and CWT will be used to increase the success of the classification used in the study. This will lead to the most effective classification method in the existing data set. In the work to be done, it is aimed to bring improvements to the classification methods used in existing studies. It is aimed to develop a method to improve the calculation time and standard classification performance of MLP and SVM, and it is aimed to contribute to the informed consciousness of this work
In today’s conditions, the possible accidents, which may be experienced depending on the developing technology, also increase the diversity of disaster. This also strengthens the probability of ...facing to technological disasters as well as natural disasters. In addition, as the secondary disaster following natural disasters, technology based accidents may occur. Reducing life losses, which may be experienced in the technological disasters, a part of life, to minimum, and being able to intervene quickly and effectively require a certain planning, synergy, and orderly working. In rescue operations, in which the importance of human life depends on minutes and even seconds, that the staff, who is specialist in search and rescue operations, works according to a certain plan and far from chaos has a great importance. In the article prepared, the sample of miming accident was dealt with, which was experienced in a private mine in the province Siirt on the date of 17.11.2016, and in which 5 people were rescued as wounded and16 people lost their lives. In addition, the processes from the first state in search and rescue operation to synergic and systemic work were reported in detail and introduced how chaos environment was not allowed for thanks to that service groups in Turkish Disaster Response Plan work in cooperation. With a synergic study model, the interactions under the different levels and different dynamics were examined. This study is an exemplary case story and deals with the works carried out for the workers, wounded people, relations of those losing their lives, and casualties, who has very high probability to clutch onto the life in 27 days - search and rescue operation carried out in planned and coordinated way. In the study, it has been reported that the processes of disaster coordination systematically proceeded; that a good planning corrected the working conditions, which are complex and difficult to be managed, like disasters and eliminated the chaos that may be experienced; increased the synergy in working environment; and that thanks to this, carrying out successful search and rescue activities and area coordination, that an effective disaster management was realized.
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