Τρίτη 9 Φεβρουαρίου 2021

Clinical cure and liver fibrosis reversal after postoperative antiviral combination therapy in hepatitis B-associated non-cirrhotic hepatocellular carcinoma: A case report.

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Clinical cure and liver fibrosis reversal after postoperative antiviral combination therapy in hepatitis B-associated non-cirrhotic hepatocellular carcinoma: A case report.

World J Clin Cases. 2021 Jan 26;9(3):714-721

Authors: Yu XP, Lin Q, Huang ZP, Chen WS, Zheng MH, Zheng YJ, Li JL, Su ZJ

Abstract
BACKGROUND: The incidence of hepatocellular carcinoma (HCC) is high in China, and approximately 15%-20% of HCC cases occur in the absence of cirrhosis. Compared with patients with cirrhotic HCC, those with non-cirrhotic HCC have longer postoperative tumor-free survival. However, the overall survival time is not significantly increased, and the risk of postoperative recurrence remains. Strategies to improve the postoperative survival rate in these patients are currently required.
CASE SUMMARY: A 47-year-old man with a family history of HCC was found to have hepatitis B virus (HBV) infection 25 years ago. In 2000, he was administered lamivudine for 2 years, and entecavir (ETV 0.5 mg) was administered in 2006. In October 2016, magnetic resonance imaging revealed a tumor in the liver (5.3 cm × 5 cm × 5 cm); no intraoperative hepatic and portal vein and bile duct tumor thrombi were found; and postoperative pathological examination confirmed a grade II HCC with no nodular cirrhosis (G1S3). ETV was continued, and no significant changes were observed on imaging. After receiving pegylated interferon alfa-2b (PEG IFNα-2b) (180 μg) + ETV in February 2019, the HBsAg titer decreased significantly within 12 wk. After receiving hepatitis B vaccine (60 μg) in 12 wk, HBsAg serological conversion was realized at 48 wk. During the treatment, no obvious adverse reactions were observed, except for early alanine aminotransferase flares. The reexamination results of l iver pathology were G2S1, and reversal of liver fibrosis was achieved.
CONCLUSION: The therapeutic regimen of ETV+ PEG IFNα-2b + hepatitis B vaccine for patients with HBV-associated non-cirrhotic HCC following hepatectomy can achieve an HBV clinical cure and prolong the recurrence-free survival.

PMID: 33553413 [PubMed]

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Severe skeletal bimaxillary protrusion treated with micro-implants and a self-made four-curvature torquing auxiliary: A case report.

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Severe skeletal bimaxillary protrusion treated with micro-implants and a self-made four-curvature torquing auxiliary: A case report.

World J Clin Cases. 2021 Jan 26;9(3):722-735

Authors: Liu R, Hou WB, Yang PZ, Zhu L, Zhou YQ, Yu X, Wen XJ

Abstract
BACKGROUND: Bimaxillary protrusion is a clinically common dentofacial deformity, particularly among Chinese patients. This kind of malformation can severely affect facial esthetics and, even in mild cases, is difficult to correct without surgery. Unfortunately, many patients abandon treatment because of fear of surgery. Here, we describe a case of severe skeletal bimaxillary protrusion treated with nonsurgical orthodontic treatments, highlighting an alternative treatment option.
CASE SUMMARY: A 31-year-old woman wished to address a severe protrusion profile (approximately 8 mm overbite) and gummy smile. Cephalometric analysis and superimposition showed a severe skeletal class II pattern with a mandibular retrusion, and proclined and protrusive mandibular incisors. Panoramic radiograph showed a missing mandibular right third molar. A diagnosis of severe bimaxillary dentoalveolar protrusion was made. Taking into account the patient's fear of orthognathic surgery, she accepted the proposed alternative treatment using micro-implants and a self-made four-curvature torquing auxiliary. The treatment allowed for maximal en masse anterior tooth retraction, proper relocation of incisors, and alleviation of the skeletal class II pattern. Esthetically, the patient's lip protrusion was significantly decreased as was the overjet (from 10.5 mm to 1.8 mm), and the results remained stable throughout the 2-year follow-up.
CONCLUSION: Nonsurgical treatment using micro-implants and a four-curvature torquing auxiliary may benefit severe cases of skeletal bimaxillary protrusion in adults.

PMID: 33553414 [PubMed]

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Cystic duct dilation through endoscopic retrograde cholangiopancreatography for treatment of gallstones and choledocholithiasis: Six case reports and review of literature.

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Cystic duct dilation through endoscopic retrograde cholangiopancreatography for treatment of gallstones and choledocholithiasis: Six case reports and review of literature.

World J Clin Cases. 2021 Jan 26;9(3):736-747

Authors: He YG, Gao MF, Li J, Peng XH, Tang YC, Huang XB, Li YM

Abstract
BACKGROUND: Choledocholithiasis removal via endoscopic retrograde cholangiopancreatography (ERCP) then followed by laparoscopic cholecystectomy (LC) has gradually become the principal method in the treatment of gallstones and choledocholithiasis. We use ERCP through the cystic duct to treat gallstones combined with choledocholithiasis, with the aim to preserve the normal function of the gallbladder while simultaneously decreasing risk of biliary tract injury.
CASE SUMMARY: A total of six cases of patients diagnosed with gallstones and choledocholithiasis were treated with ERCP. The efficacy was evaluated via operation success rate, calculus removal rate, postoperative hospital stay and average hospitalization costs; the safety was evaluated through perioperative complication probability, gallbladder function detection and gallstones recrudesce. The calculus removal rate reached 100%, and patients had mild adverse events, including 1 case of postoperative acute cholecystitis and another of increased blood urinary amylase; both were relieved after corresponding treatment, the remaining cases had no complications. The average hospital stay and hospitalization costs were 6.16 ± 1.47 d and 5194 ± 696 dollars. The 3-11 mo follow-up revealed that gallbladder contracted well, without recurrence of gallstones.
CONCLUSION: This is the first batch of case reports for the treatment of gallstones and choledocholithiasis through ERCP approached by natural cavity. The results and effects of six reported cases proved that the new strategy is safe and feasible and is worthy of further exploration and application.

PMID: 33553415 [PubMed]

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Infectious complications during immunochemotherapy of post-transplantation lymphoproliferative disease-can we decrease the risk? Two case reports and review of literature.

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Infectious complications during immunochemotherapy of post-transplantation lymphoproliferative disease-can we decrease the risk? Two case reports and review of literature.

World J Clin Cases. 2021 Jan 26;9(3):748-757

Authors: Gładyś A, Kozak S, Wdowiak K, Winder M, Chudek J

Abstract
BACKGROUND: Post-transplant lymphoproliferative disease (PTLD) is a heterogeneous group of diseases that develop after solid organ and hematopoietic stem cells transplantation related to intensive immunosuppression regimen, T-cell depletion and Epstein-Barr virus infection. Despite the improvement in the management of PTLD, the prognosis remains poor. Here we report the management of two transplanted patients with PTLD and infections during immunochemotherapy (ICTH).
CASE SUMMARY: Of 65-year-old woman 11 years after kidney transplantation (first case) presented with diffuse large B-cell lymphoma (DLBCL) CS III and started ICHT according to R-CHOP protocol. Despite the secondary prevention of neutropenic fever, the patient developed grade 4 neutropenia with urinary and pulmonary tract infections after the fifth cycle. ICTH was continued in reduced doses up to 7 cycles followed by involved-field radiation therapy of the residual disease. The second case presents a 49-year-old man, 8 years after liver transplantation due to cirrhosis in the course of chronic hepatitis B, who started ICTH for DLBCL Burkitt-like CS IV. The patient received four cycles of ICTH according to R-CODOX/R-IVAC protocol, with reduced doses. In both cases initially undertaken reduction of immunosuppression was ineffective to prevent infectious complications. Despite one incomplete ICHT treatment due to recurrent infections, both our patients remain in complete remissio n.
CONCLUSION: Reduction of immunosuppression and the doses of chemotherapeutics may be insufficient to prevent infectious complications during ICTH in PTLD patients.

PMID: 33553416 [PubMed]

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Restenosis of a drug eluting stent on the previous bioresorbable vascular scaffold successfully treated with a drug-coated balloon: A case report.

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Restenosis of a drug eluting stent on the previous bioresorbable vascular scaffold successfully treated with a drug-coated balloon: A case report.

World J Clin Cases. 2021 Jan 26;9(3):758-763

Authors: Jang HG, Kim K, Park HW, Koh JS, Jeong YH, Park JR, Kang MG

Abstract
BACKGROUND: The in-stent restenosis (ISR) rates are reportedly inconsistent despite the increased use of second-generation drug eluting stent (DES). Although bioresorbable vascular scaffold (BVS) have substantial advantages with respect to vascular restoration, the rate of scaffold thrombosis is higher with BVS than with DES. Optimal treatment strategies have not been established for DES-ISR to date.
CASE SUMMARY: We report on a case of a 60-year-old man patient with acute coronary syndrome. He had a history of ST-segment elevation myocardial infarction associated with very late scaffold thrombosis and treated with a DES. Coronary angiography revealed significant stenosis, suggesting DES-ISR on the previous BVS. Optical coherence tomography (OCT) identified a plaque rupture and a disrupted scaffold strut in the neointimal proliferation of DES. To treat the DES-ISR on the previous BVS, we opted for a drug-coated balloon (DCB) after a balloon angioplasty using a semi-compliant and non-compliant balloon. The patient did not experience adverse cardiovascular events on using a DCB following the use of intensive dual antiplatelet therapy and statin for 24 mo.
CONCLUSION: This case highlights the importance of OCT as an imaging modality for characterizing the mechanism of target lesion failure. The use of a DCB following the administration of optimal pharmacologic therapy may be an optimal strategy for the treatment and prevention of recurrent BVS thrombosis and DES-ISR.

PMID: 33553417 [PubMed]

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Identifying distinct trajectories of acute otitis media in children: a prospective cohort study

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Abstract

Objectives

To identify possibly distinct acute otitis media (AOM) trajectories in childhood, and identify determinants associated with specific AOM trajectories. To explore which child will become prone to recurrent AOM episodes, and which will not.

Design

Population‐based prospective cohort study among 7,863 children from birth until 10 years and their mothers.

Methods

This study was embedded in the Generation R Study: a population‐based prospective cohort study. Data on AOM and determinants were collected by repeated parental questionnaires. Distinct AOM trajectories within the population were identified with latent‐class‐analyses. Next, using multivariate analysis we checked if specific determinants were associated with specific trajectories.

Results

Three distinct trajectories were identified; i.e., non‐otitis‐prone, early‐AOM – i.e. children who suffered AOM episodes until 3 years of age but not beyond, and persistent‐AOM – i.e. children who remained otitis‐prone. Male gender (OR 1.26, CI 1.11 – 1.43) and day‐care attendance (OR 1.31, CI 1.06‐1.60) were associated with increased odds of early‐AOM. Breastfeeding was beneficial for children in both the early‐AOM and persistent‐AOM trajectory (OR 0.78, and 0.77 respectively). Birth in the summer or autumn as compared with birth in the spring decreased odds of AOM only in the persistent‐AOM trajectory. Half of all AOM‐prone children recovered after the age of 3 years.

Conclusion

Specific determinants are associated with different AOM‐trajectories. Future research is needed to better predict which child will remain otitis‐prone and which recovers after the age of 3 years to better tailor treatment towards the needs of the individual child.

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Interdependencies between acoustic and high-speed videoendoscopy parameters

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by Patrick Schlegel, Andreas M. Kist, Melda Kunduk, Stephan Dürr, Michael Döllinger, Anne Schützenberger

In voice research, uncovering relations between the oscillating vocal folds, being the sound source of phonation, and the resulting perceived acoustic signal are of great interest. This is especially the case in the context of voice disorders, such as functional dysphonia (FD). We investigated 250 high-speed videoendoscopy (HSV) recordings with simultaneously recorded acoustic signals (124 healthy females, 60 FD females, 44 healthy males, 22 FD males). 35 glottal area waveform (GAW) parameters and 14 acoustic parameters were calculated for each recording. Linear and non-linear relations between GAW and acoustic parameters were investigated using Pearson correlation coefficients (PCC) and distance correlation coefficients (DCC). Further, norm values for parameters obtained from 250 ms long sustained phonation data (vowel /i/) were provided. 26 PCCs in females (5.3%) and 8 in males (1.6%) were found to be statistically significant (|corr.| ≥ 0.3). Only minor differences were found be tween PCCs and DCCs, indicating presence of weak non-linear dependencies between parameters. Fundamental frequency was involved in the majority of all relevant PCCs between GAW and acoustic parameters (19 in females and 7 in males). The most distinct difference between correlations in females and males was found for the parameter Period Variability Index. The study shows only weak relations between investigated acoustic and GAW-parameters. This indicates that the reduction of the complex 3D glottal dynamics to the 1D-GAW may erase laryngeal dynamic characteristics that are reflected within the acoustic signal. Hence, other GAW parameters, 2D-, 3D-laryngeal dynamics and vocal tract parameters should be further investigated towards potential correlations to the acoustic signal.
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