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Kara M, Ata AM, Kaymak B, Özçakar L. Comment on Asian Working Group on Sarcopenia's Updated Consensus Recommendations: Emphasis on Anterior Thigh Muscle Mass. J Am Med Dir Assoc 2021; 21:1173-1174. [PMID: 32736847 DOI: 10.1016/j.jamda.2020.03.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 03/14/2020] [Indexed: 10/23/2022]
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Kara M, Frontera WR, Özçakar L. Measure What Matters Most in Sarcopenia: Regional vs. Appendicular Muscle Mass? J Am Med Dir Assoc 2021; 22:883-884. [PMID: 33705744 DOI: 10.1016/j.jamda.2021.02.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 02/04/2021] [Accepted: 02/04/2021] [Indexed: 12/21/2022]
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Kara M, Akgul T, Yegen G, Aksakal N. Late Onset of an Overlooked Follicular Thyroid Carcinoma Presenting as a Chest Wall Tumor 10 Years Following Thyroidectomy. AACE Clin Case Rep 2021; 7:268-272. [PMID: 34307851 PMCID: PMC8282525 DOI: 10.1016/j.aace.2021.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 02/08/2021] [Accepted: 02/14/2021] [Indexed: 11/22/2022] Open
Abstract
Objective Metastatic chest wall tumors resulting from thyroid carcinomas are not unusual; however, the late onset of metastasis of a follicular thyroid carcinoma (FTC) is extremely rare. We aim to present a report of a case with chest wall metastasis of an FTC 10 years following thyroidectomy. Methods Among the studies performed were chest wall tumor imaging, serum thyroid stimulating hormone determination, and histopathology of the chest wall tumor and thyroid tissue examination. Results An asymptomatic 28-year-old woman was noted to have a left-sided chest wall mass on a chest X-ray performed for a job application. She had a history of right hemithyroidectomy 10 years prior to her admission, which had been reported as a thyroid follicular adenoma. Computed tomography showed a tumor measuring 75 × 50 mm in diameter localized at the left paravertebral region. The maximum standardized uptake value of the tumor was seven in positron emission tomography. Histopathologic finding of the trucut biopsy of the chest wall tumor revealed metastasis of a differentiated thyroid carcinoma. The patient underwent a completion left hemithyroidectomy with chest wall resection and reconstruction. Previous right hemithyroidectomy material was examined and diagnosed as minimally invasive FTC. Histopathologic finding of the resected chest wall tumor was consistent with metastasis of an FTC. Conclusions Although extremely rare, the late metastasis of a thyroid carcinoma should be considered in the differential diagnosis of patients with chest wall tumors who have a previous history of thyroidectomy even with a diagnosis of benign tumor.
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Ata AM, Kara M, Ekiz T, Kara Ö, Culha MA, Ricci V, Koyuncu EG, Özcan F, Kaymak B, Özçakar L. Reassessing Sarcopenia in Hypertension: STAR and ACE Inhibitors Excel. Int J Clin Pract 2021; 75:e13800. [PMID: 33108697 DOI: 10.1111/ijcp.13800] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 10/21/2020] [Accepted: 10/23/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Hypertension and sarcopenia are commonly seen in older adults. The renin-angiotensin system and the therapeutic use of angiotensin-converting enzyme (ACE) inhibitors have been on the agenda of sarcopenia in different perspectives. Our aim was to explore the frequency of sarcopenia in patients with hypertension and to investigate the association between the use of ACE inhibitors and sarcopenia. METHODS A total of 272 community-dwelling adults were recruited. Anterior thigh muscle thickness was measured by ultrasound. Handgrip strength, gait speed, and chair stand test were evaluated. Low muscle mass was diagnosed in the presence of low sonographic thigh adjustment ratio (STAR) values and sarcopenia was diagnosed if low STAR values were coupled with low functional tests. RESULTS 136 subjects (50.0%) had no comorbid disease; 102 (37.5%) had one, 21 (7.7%) had two, nine (3.3%) had three and four (1.5%) had four comorbid diseases. Both low muscle mass (41.9% vs 13.2%) and sarcopenia (32.2% vs 7.8%) were more commonly seen in hypertensive when compared with normotensive older adults. Subgroup analysis of older adults with hypertension revealed that sarcopenia was less prevalent (P = .003) in patients using ACE inhibitors (8.7%) than those using angiotensin II receptor blockers (48.7%) and other antihypertensive drugs (46.4%). After binary logistic regression analyses; only the presence of hypertension seemed to independently predict the development of sarcopenia in older adults [OR = 6.5 (95% CI: 2.4-17.8, P < .001)]. CONCLUSIONS Sarcopenia is highly prevalent in hypertensive older adults. Amongst many antihypertensive medications, ACE inhibitors seem to have favourable effects on both disorders.
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Malas FÜ, Kara M, Özçakar L. SARC-F to screen or diagnose sarcopenia in cancer? A point-blank refusal. Cancer 2021; 127:2158. [PMID: 33621354 DOI: 10.1002/cncr.33464] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Accepted: 01/15/2021] [Indexed: 01/20/2023]
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Ata AM, Kara M, Özçakar L. Letter to the Editor: Adjusting Anterior Thigh Muscle Measurements Using Ultrasound in Sarcopenia. J Frailty Aging 2021; 10:79-80. [PMID: 33331630 DOI: 10.14283/jfa.2020.32] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
We have read with great interest the recently published article by Tsukasaki et al (1). We congratulate the authors for drawing attention to regional muscle mass measurements for evaluating sarcopenia. As they highlighted, age-related muscle loss occurs initially in the anterior thigh muscles that predominantly contain fast-twitch (type II) fibers (2). Therefore, regional muscle mass and functional assessments are important for the early diagnosis and follow-up of sarcopenia (2). In this regard, computed tomography (CT), magnetic resonance imaging, ultrasound (US) and dual-energy X-ray absorptiometry (DXA) techniques give opportunity for regional muscle mass measurements. Likewise, the authors compared the relationships among regional/total muscle mass measurements, muscle power, strength and performance tests. Although we agree with them in general, we would like to add further.
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Ata AM, Kara M, Özçakar L. Ultrasound imaging/measurements for skeletal muscles in sarcopenia: an aide memoire. Eur Geriatr Med 2021; 12:425-426. [PMID: 33575882 DOI: 10.1007/s41999-021-00461-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 01/27/2021] [Indexed: 10/22/2022]
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Ekiz T, Ata AM, Kara M, Özçakar L. In silico diagnosis for sarcopenia is not possible without anthropometric, strength, and performance assessments. Skeletal Radiol 2021; 50:463-464. [PMID: 32683498 DOI: 10.1007/s00256-020-03554-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 06/23/2020] [Accepted: 07/13/2020] [Indexed: 02/02/2023]
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Kara M, Calis M, Kara I, Kulak Kayikci ME, Gunaydin RO, Ozgur F. Comparison of speech outcomes using type 2b intravelar veloplasty or furlow double-opposing Z plasty for soft palate repair of patients with unilateral cleft lip and palate. J Craniomaxillofac Surg 2021; 49:215-222. [PMID: 33485752 DOI: 10.1016/j.jcms.2021.01.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 08/29/2020] [Accepted: 01/02/2021] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND The aim of this study is to compare speech outcomes, fistula rates, and rates of secondary speech surgeries after palatoplasty using Furlow palatoplasty or type 2b intravelar veloplasty for soft palate repair. PATIENTS AND METHODS Patients with unilateral cleft lip and palate who had either Furlow palatoplasty or intravelar veloplasty for soft palate repair were retrospectively evaluated for demographic and perioperative variables and speech outcomes. Fistula rate, secondary surgical intervention for improved speech results, and findings of speech assessment were further reviewed for the patients who met the inclusion criteria. RESULTS A total of 76 patients, 36 in the Furlow palatoplasty group and 40 in the intravelar veloplasty group, were included in the study. In the speech assessment, nasalance values were statistically similar between the two groups. Also, there was no statistically significant difference between the groups in velopharyngeal motility (p = 0.103). The total rates of secondary surgeries and fistula were statistically similar between the groups (p = 0.347 and 0.105, respectively). CONCLUSION The similar outcomes of speech and surgical evaluation between the two groups make the surgeon's preference determinant in the selection of the surgical technique for soft palate repair.
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Razaq S, Kara M, Özçakar L. Letter Regarding: Regional Muscle Measurements/Adjustments Amidst Others in the Diagnosis of Sarcopenia. J Surg Res 2020; 260:520-521. [PMID: 33341251 DOI: 10.1016/j.jss.2020.09.043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Accepted: 09/06/2020] [Indexed: 11/18/2022]
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Kara M, Akduman B, Işık YM, Gürsoy K, Koçer U. Impact of COVID-19 outbreak on plastic surgery: Taken precautions, distribution of surgical procedures and changes in admissions to outpatient clinic. J Plast Reconstr Aesthet Surg 2020; 74:890-930. [PMID: 33208276 PMCID: PMC7649027 DOI: 10.1016/j.bjps.2020.10.073] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 09/06/2020] [Accepted: 10/22/2020] [Indexed: 11/18/2022]
Abstract
The COVID-19 outbreak is a global problem affecting the world in many respects. In the medical field, its impact on surgical branches as well as clinical branches is inevitable. From the plastic surgery perspective, the COVID-19 outbreak affects the number and distribution of surgeries, patient admissions and educational activities. Although these impacts are predictable, it is beneficial to document these data that would contribute to the proper response to a similar crisis in the future. From this standpoint, the present study aims to analyze the effect of the COVID-19 pandemic on plastic surgery practice in some aspects. Epidemiologic data of the two-time frames, routine period, and pandemic period of plastic surgery were reviewed retrospectively. The ratios of the listed data were compared between the two periods; admissions to the outpatient clinic, surgeries, consultations, anesthesia type, hospitalizations, and demographic data. While the number of outpatient clinic patients was 3511 in the routine period, it was 490 in the pandemic period. Compared to the routine period, the number of surgical interventions was decreased from 793 to 129 during the pandemic period. In particular, a statistically significant increase was observed in the rate of hand trauma and maxillofacial trauma cases during the pandemic period compared with the routine period (p < 0.001, and p = 0.032, respectively). Therefore, high rates of hand trauma and maxillofacial trauma should be taken into consideration when making arrangements such as personnel distribution, use of medical resources, and regulation of hospital infrastructure in extraordinary situations like COVID-19 pandemics.
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Arslan I, Akgul H, Kara M. Saporin, a Polynucleotide-Adenosine Nucleosidase, May Be an Efficacious Therapeutic Agent for SARS-CoV-2 Infection. SLAS DISCOVERY 2020; 26:330-335. [PMID: 33155515 PMCID: PMC8940857 DOI: 10.1177/2472555220970911] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Saporin, a type I ribosome-inactivating protein from soapwort plant, is a potent protein synthesis inhibitor. Catalytically, saporin is a characteristic N-glycosidase, and it depurinates a specific adenine residue from a universally conserved loop of the major ribosomal RNA (rRNA) of eukaryotic cells. It is well-known that saporin induces apoptosis through different pathways, including ribotoxic stress response, cell signal transduction, genomic DNA fragmentation and RNA abasic lyase (RAlyase) activity, and NAD+ depletion by poly-(ADP)-ribose polymerase hyperactivation. Saporin's high enzymatic activity, high stability, and resistance to conjugation procedures make it a well-suited tool for immunotherapy approaches.In the present study, we focus on saporin-based targeted toxins that may be efficacious therapeutic agents for the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Our discussed points suggest that saporin may be a strategic molecule for therapeutic knockout treatments and a powerful candidate for novel drugs in the struggle against coronavirus 2019 (COVID-19).
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Kara M, Calis M, Kara I, Incebay O, Kulak Kayikci ME, Gunaydin RO, Ozgur F. Does early cleft palate repair make difference? Comparative evaluation of the speech outcomes using objective parameters. J Craniomaxillofac Surg 2020; 48:1057-1065. [DOI: 10.1016/j.jcms.2020.09.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 07/02/2020] [Accepted: 09/07/2020] [Indexed: 10/23/2022] Open
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Gurcay E, Kara M. Is sarcopenia primarily an age-related or renin-angiotensin system-related disorder? Geriatr Gerontol Int 2020; 20:997. [PMID: 33003258 DOI: 10.1111/ggi.13997] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 06/29/2020] [Indexed: 12/14/2022]
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Simsek Y, Ciplak B, Songur S, Kara M, Karahocagil MK. Maternal and fetal outcomes of COVID-19, SARS, and MERS: a narrative review on the current knowledge. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2020; 24:9748-9752. [PMID: 33015821 DOI: 10.26355/eurrev_202009_23068] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Coronavirus infections, including SARS, MERS and COVID-19 have significant impact on global health as well as on pregnancies. The aim of this review was to enlighten and summarize the cumulative knowledge regarding the relationship between Coronavirus outbreaks and pregnancy. MATERIALS AND METHODS Literature search was commenced in order to analyze the maternofetal effects of Coronavirus outbreaks. RESULTS Fever and cough are the most common presenting symptoms of COVID-19 which mostly affects pregnant women in their 3rd trimester with a maternal mortality rate of 0-77% and fetal and neonatal mortality rates of 1.2%. Fetal demise is common in critically ill pregnant. Pregnancy seems as a worsening factor for SARS and MERS epidemics and both infections affect prominently 3rd trimester pregnancies, although abortion (57%) is a significant risk for cases of early pregnancy. Clinical course of COVID-19, SARS and MERS may be rapid and worse in pregnant women than non-pregnant individuals. Cesarean section is the choice of delivery in most reported women due to mostly obstetrical reasons, although vaginal delivery seems not a worsening factor for the disease. CONCLUSIONS COVID-19, SARS and MERS have significant detrimental effect on pregnancy. Rapid intervention, treatment, and intensive care support are essential for infected pregnant. Timely delivery is important in order to avoid intrauterine fetal death.
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Kara M, Kaymak B, Ata AM, Özkal Ö, Kara Ö, Baki A, Şengül Ayçiçek G, Topuz S, Karahan S, Soylu AR, Çakır B, Halil M, Özçakar L. STAR-Sonographic Thigh Adjustment Ratio: A Golden Formula for the Diagnosis of Sarcopenia. Am J Phys Med Rehabil 2020; 99:902-908. [PMID: 32941253 DOI: 10.1097/phm.0000000000001439] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
OBJECTIVE The aim of the study was to explore an individualized sonographic muscle thickness ratio and its cutoff values in the diagnosis of sarcopenia. DESIGN A total of 326 community-dwelling adults were included in this cross-sectional study. Total skeletal muscle mass was evaluated by bioelectrical impedance analysis, and nine-site muscle thickness measurements using ultrasound. Isometric handgrip and knee extension strengths were assessed. Physical performance was evaluated by usual Gait Speed, Chair Stand Test, and Timed Up and Go Test. RESULTS Because the anterior thigh muscle thickness was the most significantly decreasing measurement with aging and the most significantly related value with body mass and height; sonographic thigh adjustment ratio was calculated by dividing it with body mass index. Using the two standard deviation values of our healthy young adults, sonographic thigh adjustment ratio cutoff values were found as 1.4 and 1.0 for male and female subjects, respectively. Sonographic thigh adjustment ratio values were negatively correlated with Chair Stand Test and Timed Up and Go Test in both sexes (all P < 0.05) and positively correlated with gait speed in female subjects and knee extension strength in male subjects (both P < 0.05). CONCLUSIONS Our results imply that regional (rather than total) muscle mass measurements should be taken into consideration for the diagnosis of sarcopenia.
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Özkan B, Erdoğdu E, Duman S, Amirov F, Çimenoğlu B, Özlük Y, Kara M, Yılmazbayhan D, Toker A. Prognostic factors in patients undergoing pulmonary resection for sarcomatoid carcinomas of the lung. Balkan Med J 2020; 38:104-110. [PMID: 32988810 PMCID: PMC8909247 DOI: 10.4274/balkanmedj.galenos.2020.2020.7.45] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Background Pulmonary sarcomatoid carcinomas are very rare lung neoplasms, and no consensus exists regarding their optimal treatment. The prognosis of sarcomatoid carcinomas has been reported to be unfavorable compared with non-small-cell lung cancers; however, prognostic factors in patients undergoing surgery for sarcomatoid carcinomas remain unclear. Aims To analyze clinicopathologic prognostic factors and survival outcomes in patients who underwent surgery for pulmonary sarcomatoid carcinoma. Study Design Retrospective cross-sectional study. Methods We designed a retrospective cross-sectional study in patients who underwent surgery for pulmonary sarcomatoid carcinomas and statistically analyzed the prognostic factors regarding clinicopathologic features with respect to survival outcomes. Results We had a total of 44 patients with sarcomatoid carcinoma who had pulmonary resection. Sex distribution was 34 (77%) males and 10 (22.7%) females, which was determined by declaration. The mean age of patients was 57.3 ± 16 years with a median of 60 years. The 5-year progression-free survival and overall survival rates were 59% and 58%, respectively. The 5-year survival rates were significantly different for tumors > 5 cm (P = 0.044), tumorstatus (T) (P=0.016), lymph node status (N) (P=0.005), and pathologic tumor-node-metastasis (TNM) stage (P = 0.0001 ). However, histologic subtype (P = 0.628) and adjuvant treatment (P = 0.804) did not have any significant effect on survival. Similarly, the significant prognostic factors in univariate analysis were tumor size (P = 0.085), T status (P = 0.005), N status (P = 0.028), and pathologic TNM stage (P = 0.0001). Multivariate analysis showed only T status (P = 0.058), N status (P = 0.018), and pathologic TNM stage (P = 0.019) as independent prognostic factors, with statistical power of 87%, 43.1% and 21.2%. Conclusion Surgery appears to be an optimal treatment with favorable outcomes for patients with pulmonary sarcomatoid carcinoma. Patients with small tumors at earlier stages are very likely to benefit from surgery, regardless of histologic subtype.
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Okur HK, Yalcin K, Tastan C, Demir S, Yurtsever B, Karakus GS, Kancagi DD, Abanuz S, Seyis U, Zengin R, Hemsinlioglu C, Kara M, Yildiz ME, Deliceo E, Birgen N, Pelit NB, Cuhadaroglu C, Kocagoz AS, Ovali E. Preliminary report of in vitro and in vivo effectiveness of dornase alfa on SARS-CoV-2 infection. New Microbes New Infect 2020; 37:100756. [PMID: 32922804 PMCID: PMC7476504 DOI: 10.1016/j.nmni.2020.100756] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 09/02/2020] [Accepted: 09/02/2020] [Indexed: 12/21/2022] Open
Abstract
Dornase alfa, the recombinant form of the human DNase I enzyme, breaks down neutrophil extracellular traps (NET) that include a vast amount of DNA fragments, histones, microbicidal proteins and oxidant enzymes released from necrotic neutrophils in the highly viscous mucus of cystic fibrosis patients. Dornase alfa has been used for decades in patients with cystic fibrosis to reduce the viscoelasticity of respiratory tract secretions, to decrease the severity of respiratory tract infections, and to improve lung function. Previous studies have linked abnormal NET formations to lung diseases, especially to acute respiratory distress syndrome (ARDS). It is well known that novel coronavirus disease 2019 (COVID-19) pneumonia progresses to ARDS and even multiple organ failure. High blood neutrophil levels are an early indicator of COVID-19 and predict severe respiratory diseases. Also it is reported that mucus structure in COVID-19 is very similar to that in cystic fibrosis due to the accumulation of excessive NET in the lungs. In this study, we showed the recovery of three individuals with COVID-19 after including dornase alfa in their treatment. We followed clinical improvement in the radiological analysis (two of three cases), oxygen saturation (Spo2), respiratory rate, disappearance of dyspnoea, coughing and a decrease in NET formation and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) viral load after the treatment. Also here, we share our preliminary results suggesting that dornase alfa has an anti-viral effect against SARS-CoV-2 infection in a green monkey kidney cell line, Vero, and a bovine kidney cell line, MDBK, without determined cytotoxicity on healthy peripheral blood mononuclear cells.
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Işık M, Teber MA, Kara M. Complex regional pain syndrome and gout due to hyperprolactinoma. Eur J Rheumatol 2020; 7:140-141. [PMID: 32809935 DOI: 10.5152/eurjrheum.2020.19203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 03/24/2020] [Indexed: 11/22/2022] Open
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Nas B, Argun ME, Dolu T, Ateş H, Yel E, Koyuncu S, Dinç S, Kara M. Occurrence, loadings and removal of EU-priority polycyclic aromatic hydrocarbons (PAHs) in wastewater and sludge by advanced biological treatment, stabilization pond and constructed wetland. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 268:110580. [PMID: 32383663 DOI: 10.1016/j.jenvman.2020.110580] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 04/01/2020] [Accepted: 04/06/2020] [Indexed: 06/11/2023]
Abstract
Eight polycyclic aromatic hydrocarbon (PAH) compounds which have been accepted as priority micropollutants by European Union (EU) were analyzed both in wastewater and sludge lines throughout three full scale (located in city, sub-province and village) WWTPs during 12-month sampling period. Investigated WWTPs have different treatment types including advanced biological treatment, stabilization pond (SP) and constructed wetland (CW). Removal efficiencies for total PAH compounds varied from 48% in CW to 85% in advanced biological treatment plant. The maximum concentrations of 360-2282 ng/L observed for naphthalene in raw wastewater were decreased to 103-370 ng/L by treatment processes. Minimum concentration were detected for benzo(k)fluoranthene (B[k]F) and benzo(g,h,i)perylene (B[g,h,i]P) ranged between 8 and 12 ng/L and 19-33 ng/L, respectively. While minimum removal efficiencies were obtained for B[k]F and B[g,h,i]P maximum removal efficiencies were obtained for naphthalene in all WWTPs. PAHs present in minimum and maximum levels in the sludge samples were detected as 54 and 6826 ng/g for the B[g,h,I]P and naphthalene, respectively. Considering the removal mechanisms, PAHs have been determined to be removed by biodegradation or vaporization up to 84% and by settling (adsorption onto sludge) up to 2%. The greatest portion (99%) of naphthalene and anthracene were determined to be biodegraded or vaporized in biological treatment due to their low molecular weights. On the other hand, mechanism of adsorption onto sludge was determined as negligible for these two compounds. In addition, approximately 14% of PAHs were discharged to the receiving environment. Among the different WWTP types investigated, advanced biological treatment was found to be the most efficient plant for the removal of PAH compounds.
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Ekiz T, Kara M, Özçakar L. Revisiting vitamin D and home-based exercises for patients with sleep apnea facing the COVID-19 quarantine. J Clin Sleep Med 2020; 16:1409-1410. [PMID: 32432542 PMCID: PMC7446077 DOI: 10.5664/jcsm.8586] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 05/14/2020] [Accepted: 05/14/2020] [Indexed: 11/13/2022]
Abstract
Ekiz T, Kara M, Özçakar L. Revisiting vitamin D and home-based exercises for patients with sleep apnea facing the COVID-19 quarantine. J Clin Sleep Med . 2020;16(8):1409–1410.
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Ekiz T, Kara M, Ata AM, Özçakar L. Ultrasonographic assessment of the aging trunk muscles: 'brutal tone' but should be impartial. Eur J Appl Physiol 2020; 120:2559-2560. [PMID: 32797256 DOI: 10.1007/s00421-020-04469-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Accepted: 08/08/2020] [Indexed: 11/29/2022]
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Kara M, Ata AM, Kaymak B, Özçakar L. Ultrasonography in Sarcopenic Obesity: "Good Looking" But Wrong Buttoning of the First Button. JPEN J Parenter Enteral Nutr 2020; 44:1171-1172. [PMID: 32597496 DOI: 10.1002/jpen.1951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 05/21/2020] [Indexed: 11/08/2022]
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Ekiz T, Kara M, Özçakar L. Letter to the editors in response to: Angiotensin-converting enzyme inhibitors and angiotensin receptor blockers may be harmful in patients with diabetes during COVID-19 pandemic (Cure et al.). Diabetes Metab Syndr 2020; 14:525-526. [PMID: 32402930 PMCID: PMC7198989 DOI: 10.1016/j.dsx.2020.04.054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 04/30/2020] [Accepted: 04/30/2020] [Indexed: 01/09/2023]
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Ata AM, Kara M, Kaymak B, Özçakar L. "Zooming" in the Anterior Thigh Muscle for the Diagnosis of Sarcopenia. J Am Geriatr Soc 2020; 68:1878-1879. [PMID: 32533843 DOI: 10.1111/jgs.16572] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 03/28/2020] [Indexed: 11/28/2022]
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