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Article ; Online: Safe Haven for Crude Oil

Ilyes Abidi / Kamel Touhami

International Journal of Energy Economics and Policy, Vol 14, Iss

Bitcoin or Precious Metals? New Insight from Time Varying Coefficient-Vector Autoregressive Model

2024 Volume 1

Abstract: This paper investigates the safe haven property of Bitcoin and the main precious metals in a state of crisis. This study focuses mainly on two critical periods, namely the COVID-19 health crisis and the Russian-Ukraine conflict. To achieve this objective, ...

Abstract	This paper investigates the safe haven property of Bitcoin and the main precious metals in a state of crisis. This study focuses mainly on two critical periods, namely the COVID-19 health crisis and the Russian-Ukraine conflict. To achieve this objective, we first use the DCC-GARCH model to study the dynamic correlation between the returns of oil and the main precious metals. Then, we use a bivariate specification and a Bayesian specification to estimate the TVC-VAR model. The results of this study indicate the existence of similarity between Gold and Bitcoin in hedging capabilities. In fact, both have been weak havens during the COVID-19 health crisis and strong havens during the Russian-Ukrainian war period. On the other hand, the results suggest that ruthenium and iridium yields are uncorrelated or negatively correlated with Brent yields. In this respect, investors are called upon to keep their treasury in the form of iridium and ruthenium during this period of war. Similarly, investors were required to invest in these two assets during the COVID-19 period.
Keywords	Brent ; Safe Haven ; Bitcoin ; Precious Metals ; Spillover ; Dynamic Conditional Correlation ; Time Varying Coefficient-Vector Autoregressive Model ; Environmental sciences ; GE1-350 ; Energy industries. Energy policy. Fuel trade ; HD9502-9502.5
Subject code	330
Language	English
Publishing date	2024-01-01T00:00:00Z
Publisher	EconJournals
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Right-sided varicocele thrombosis complicating an acute epididymo-orchitis: A case report and review of the literature.

Hamdouni, Wadii / Bchir, Slim / Abidi, Mansour / Boukhrissa, Nouha / Ktari, Kamel / Saad, Hamadi

Urology case reports

2021 Volume 39, Page(s) 101710

Abstract: Unilateral right-sided varicocele is a rare and warning condition that should hint at a serious retroperitoneal disease such as renal cell neoplasm. Furthermore, its thrombosis is such an unusual entity that only a few cases have been described. We ... ...

Abstract	Unilateral right-sided varicocele is a rare and warning condition that should hint at a serious retroperitoneal disease such as renal cell neoplasm. Furthermore, its thrombosis is such an unusual entity that only a few cases have been described. We review the literature and report, to our knowledge, the second case of acute scrotal pain caused by unilateral right-sided varicocele thrombosis complicating an ipsilateral epididymo-orchitis, with no underlying coagulopathy or abdominal neoplasm, to illustrate the clinical, morphologic and therapeutic features of this entity.
Language	English
Publishing date	2021-05-10
Publishing country	United States
Document type	Case Reports
ZDB-ID	2745459-9
ISSN	2214-4420
ISSN	2214-4420
DOI	10.1016/j.eucr.2021.101710
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Infantile Parotid Hemangioma With Diagnostic Dilemma: A Case Report.

Abidi, Kamel T / Kamal, Naglaa M / Althobaiti, Khaled A / Althobaiti, Sami D / Halabi, Yasser A / Alalyani, Saad A

Clinical medicine insights. Case reports

2022 Volume 15, Page(s) 11795476211073385

Abstract: Introduction: Salivary gland tumors are uncommon in children; hemangiomas are one of them. We report a case of infantile hemangioma of the parotid gland which posed a diagnostic dilemma.: Patients and methods: Four-month-old infant presented with ... ...

Abstract	Introduction: Salivary gland tumors are uncommon in children; hemangiomas are one of them. We report a case of infantile hemangioma of the parotid gland which posed a diagnostic dilemma. Patients and methods: Four-month-old infant presented with swelling at the parotid gland region, which was progressively increasing. There was a diagnostic dilemma with initial misdiagnosis as acute parotitis. Imaging studies with ultrasonography and CT with contrast were requested. Results: Imaging studies revealed hyperintense lobulated mass suggestive of parotid hemangioma. Vascular consultation recommended conservative management with follow-up after 3 months. On follow-up, there was an increase in mass size, and propranolol was started. Swelling showed a good response on the next follow-up visit and is still on medical management. Conclusion: Parotid hemangiomas frequently pose a diagnostic dilemma, but the typical noninflammatory nature of the swelling and radiological evaluation confirms the diagnosis.
Language	English
Publishing date	2022-01-19
Publishing country	United States
Document type	Case Reports
ZDB-ID	2580498-4
ISSN	1179-5476
ISSN	1179-5476
DOI	10.1177/11795476211073385
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Article ; Online: Infantile Parotid Hemangioma With Diagnostic Dilemma

Kamel T Abidi / Naglaa M Kamal / Khaled A Althobaiti / Sami D Althobaiti / Yasser A Halabi / Saad A Alalyani

Clinical Medicine Insights: Case Reports, Vol

A Case Report

2022 Volume 15

Abstract: Introduction: Salivary gland tumors are uncommon in children; hemangiomas are one of them. We report a case of infantile hemangioma of the parotid gland which posed a diagnostic dilemma. Patients and Methods: Four-month-old infant presented with swelling ...

Abstract	Introduction: Salivary gland tumors are uncommon in children; hemangiomas are one of them. We report a case of infantile hemangioma of the parotid gland which posed a diagnostic dilemma. Patients and Methods: Four-month-old infant presented with swelling at the parotid gland region, which was progressively increasing. There was a diagnostic dilemma with initial misdiagnosis as acute parotitis. Imaging studies with ultrasonography and CT with contrast were requested. Results: Imaging studies revealed hyperintense lobulated mass suggestive of parotid hemangioma. Vascular consultation recommended conservative management with follow-up after 3 months. On follow-up, there was an increase in mass size, and propranolol was started. Swelling showed a good response on the next follow-up visit and is still on medical management. Conclusion: Parotid hemangiomas frequently pose a diagnostic dilemma, but the typical noninflammatory nature of the swelling and radiological evaluation confirms the diagnosis.
Keywords	Medicine (General) ; R5-920
Subject code	710
Language	English
Publishing date	2022-01-01T00:00:00Z
Publisher	SAGE Publishing
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Persistance de la veine cave supérieure gauche: à propos d'un cas.

Abidi, Kamel / Jellouli, Manel / Hammi, Yousra / Gargah, Tahar

The Pan African medical journal

2015 Volume 22, Page(s) 36

Title translation	Persistent left superior vena cava: about a case.
MeSH term(s)	Child ; Echocardiography/methods ; Humans ; Magnetic Resonance Angiography ; Male ; Vascular Malformations/diagnosis ; Vascular Malformations/physiopathology ; Vena Cava, Superior/abnormalities
Language	French
Publishing date	2015
Publishing country	Uganda
Document type	Case Reports ; Journal Article
ZDB-ID	2514347-5
ISSN	1937-8688 ; 1937-8688
ISSN (online)	1937-8688
ISSN	1937-8688
DOI	10.11604/pamj.2015.22.36.7861
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Sjogren-Larsson Syndrome: A case series of five members from an extended family with a novel mutation.

Abidi, Kamel T / Kamal, Naglaa M / Bakkar A, Ayman A / Alotaibi, Maram / Asseri, Haifa / Bokari, Kawthar A

Molecular genetics & genomic medicine

2020 Volume 8, Issue 11, Page(s) e1487

Abstract: Backgroundd: Sjogren-Larsson syndrome (SLS) is a rare autosomal recessive disorder, characterized by a triad of spastic tetraplegia or diplegia, congenital ichthyosis, and intellectual disability.: Methods: We report a seven-years-old female born to ... ...

Abstract	Backgroundd: Sjogren-Larsson syndrome (SLS) is a rare autosomal recessive disorder, characterized by a triad of spastic tetraplegia or diplegia, congenital ichthyosis, and intellectual disability. Methods: We report a seven-years-old female born to consanguineous parents who presented with erythematous dry scaly skin all over the body sparing the face, without collodion membrane which started since birth. There were associated with global developmental delay and seizure disorder. SLS was suspected and hence sequence analysis of the ALDH3A2 gene by next-generation sequencing was performed for the patient. Results: A novel nucleotide exchange in homozygous state at position c.1320 in exon 9 of the ALDH3A2 gene (c.1320T>A), leading to a stop of the protein sequence (p.Tyr440) was detected in the patient. Genetic testing of the patient's extended family revealed another four affected family members with the same mutation. Conclusions: SLS should be suspected in any patient with a triad of ichthyosis, intellectual disability and spastic di/tetraplegia. Molecular genetic testing of the ALDH3A2 gene should be performed to confirm the diagnosis. Extended family screening is highly recommended.
MeSH term(s)	Adult ; Aldehyde Oxidoreductases/genetics ; Child ; Female ; Heterozygote ; Homozygote ; Humans ; Male ; Mutation ; Pedigree ; Phenotype ; Sjogren-Larsson Syndrome/genetics ; Sjogren-Larsson Syndrome/pathology
Chemical Substances	Aldehyde Oxidoreductases (EC 1.2.-) ; long-chain-aldehyde dehydrogenase (EC 1.2.1.48)
Language	English
Publishing date	2020-09-15
Publishing country	United States
Document type	Case Reports ; Journal Article
ZDB-ID	2734884-2
ISSN	2324-9269 ; 2324-9269
ISSN (online)	2324-9269
ISSN	2324-9269
DOI	10.1002/mgg3.1487
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Tuberculosis following kidney transplantation: report of paediatric case.

Abidi, Kamel / Jellouli, Manel / Hammi, Yousra / Gargah, Tahar

The Pan African medical journal

2015 Volume 22, Page(s) 302

Abstract: Recipients of solid organ transplantation are, because of immunosuppressive therapy, at high risk to develop opportunistic infections including tuberculosis (TB). The incidence, clinical manifestations, and optimal diagnostic tests of this disease in ... ...

Abstract	Recipients of solid organ transplantation are, because of immunosuppressive therapy, at high risk to develop opportunistic infections including tuberculosis (TB). The incidence, clinical manifestations, and optimal diagnostic tests of this disease in this population have not been adequately defined. In this paper, we report a case of 13 year-old boy who developed pulmonary tuberculosis following a second renal transplantation from a deceased donor. The described case points diagnostic difficulties of the tuberculosis disease which are due to insidious and non specific clinical presentation. Also, the treatment is delicate because interaction between immunosuppressive drugs and antituberculosis drugs.
MeSH term(s)	Adolescent ; Antitubercular Agents/therapeutic use ; Drug Interactions ; Humans ; Immunosuppressive Agents/adverse effects ; Immunosuppressive Agents/therapeutic use ; Kidney Transplantation/methods ; Male ; Opportunistic Infections/diagnosis ; Opportunistic Infections/drug therapy ; Opportunistic Infections/microbiology ; Tuberculosis, Pulmonary/diagnosis ; Tuberculosis, Pulmonary/drug therapy ; Tuberculosis, Pulmonary/etiology
Chemical Substances	Antitubercular Agents ; Immunosuppressive Agents
Language	English
Publishing date	2015
Publishing country	Uganda
Document type	Case Reports ; Journal Article
ZDB-ID	2514347-5
ISSN	1937-8688 ; 1937-8688
ISSN (online)	1937-8688
ISSN	1937-8688
DOI	10.11604/pamj.2015.22.302.7882
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Article ; Online: Tuberculosis following kidney transplantation

Kamel Abidi / Manel Jellouli / Yousra Hammi / Tahar Gargah

The Pan African Medical Journal, Vol 22, Iss

report of paediatric case

2015 Volume 302

Abstract	Recipients of solid organ transplantation are, because of immunosuppressive therapy, at high risk to develop opportunistic infections including tuberculosis (TB). The incidence, clinical manifestations, and optimal diagnostic tests of this disease in this population have not been adequately defined. In this paper, we report a case of 13 year-old boy who developed pulmonary tuberculosis following a second renal transplantation from a deceased donor. The described case points diagnostic difficulties of the tuberculosis disease which are due to insidious and non specific clinical presentation. Also, the treatment is delicate because interaction between immunosuppressive drugs and antituberculosis drugs.
Keywords	pulmonary tuberculosis ; renal failure ; renal transplantation ; child ; Medicine ; R
Language	English
Publishing date	2015-11-01T00:00:00Z
Publisher	The Pan African Medical Journal
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Subarachnoid morphine versus TAP blocks for enhanced recovery after caesarean section delivery: A randomized controlled trial.

Jarraya, Anouar / Zghal, Jamil / Abidi, Sofiene / Smaoui, Mohamed / Kolsi, Kamel

Anaesthesia, critical care & pain medicine

2016 Volume 35, Issue 6, Page(s) 391–393

Abstract: Introduction: Subarachnoid morphine is widely used for pain relief in enhanced recovery program after cesarean section in spite of its side effects. However, the role of TAP block is still controversial. The aim of our study was to compare the impact of ...

Abstract	Introduction: Subarachnoid morphine is widely used for pain relief in enhanced recovery program after cesarean section in spite of its side effects. However, the role of TAP block is still controversial. The aim of our study was to compare the impact of these analgesic techniques (subarachnoid morphine and TAP block) on enhanced recovery after cesarean section. Materials and methods: In this randomized controlled trial, we included patients scheduled for cesarean delivery under spinal anesthesia. Patients were randomized in two groups. Group I: received spinal anesthesia with 100μg of subarachnoid morphine. Group II: received spinal anesthesia without subarachnoid morphine followed by an ultrasound-guided TAP block. We assessed the time required for mobilization, for re-establishment of gastrointestinal transit and for breast-feeding. Results: TAP block allowed earlier postoperative mobilization. Time required for getting up was significantly lower in group II (9.4h versus 6.9h; P=0.024) as well as time required for walking (12.4h versus 7.4h; P=0.001). TAP block allowed earlier re-establishment of gastrointestinal transit (11.2h in group I versus 8.1h in group II; P<0.001). Conclusions: TAP block seems to be suitable with enhanced recovery programs.
MeSH term(s)	Abdominal Muscles/diagnostic imaging ; Adult ; Analgesics, Opioid/adverse effects ; Analgesics, Opioid/therapeutic use ; Anesthesia Recovery Period ; Anesthesia, Obstetrical/adverse effects ; Anesthesia, Obstetrical/methods ; Anesthesia, Spinal/adverse effects ; Anesthesia, Spinal/methods ; Cesarean Section/methods ; Early Ambulation ; Female ; Humans ; Morphine/adverse effects ; Morphine/therapeutic use ; Nerve Block/adverse effects ; Pain Measurement/drug effects ; Pain, Postoperative/drug therapy ; Pregnancy ; Ultrasonography, Interventional ; Walking
Chemical Substances	Analgesics, Opioid ; Morphine (76I7G6D29C)
Language	English
Publishing date	2016-12
Publishing country	France
Document type	Comparative Study ; Journal Article ; Randomized Controlled Trial
ISSN	2352-5568
ISSN (online)	2352-5568
DOI	10.1016/j.accpm.2015.10.012
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Persistance de la veine cave supérieure gauche

Kamel Abidi / Manel Jellouli / Yousra Hammi / Tahar Gargah

The Pan African Medical Journal, Vol 22, Iss

à propos d�un cas

2015 Volume 36

Abstract: La persistance de la veine cave supérieure gauche (PVCSG) est une malformation congénitale rare et bénigne. Elle est souvent asymptomatique et sa découverte est dans la majorité des cas fortuite. Nous rapportons le cas d'un enfant chez lequel on découvre ...

Abstract	La persistance de la veine cave supérieure gauche (PVCSG) est une malformation congénitale rare et bénigne. Elle est souvent asymptomatique et sa découverte est dans la majorité des cas fortuite. Nous rapportons le cas d'un enfant chez lequel on découvre cette anomalie suite à une perte de connaissance. S.M, âgé de 9 ans, sans antécédents pathologiques notables, admis pour perte de connaissance de durée brève, sans mouvements anormaux toniques ou cloniques. L'examen physique à son admission est normal. L'électrocardiogramme est sans anomalies. La radiographie du thorax a montré un arc moyen gauche en double contour. Le Holter rythmique a montré des signes d'hyperréactivité vagale. L'échocardiographie trans-thoracique (ETT) a mis en évidence une dilatation nette du sinus coronaire et a éliminé la présence d'une cardiopathie. Une angio- IRM cardiaque a confirmé le diagnostic de PVCSG. Par ailleurs l'aorte thoracique a été normale dans ces différents segments.
Keywords	echographie ; veine cave ; malformation vasculaire ; Medicine ; R
Language	English
Publishing date	2015-09-01T00:00:00Z
Publisher	The Pan African Medical Journal
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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