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1.
Ideggyogy Sz ; 77(3-4): 103-110, 2024 Mar 30.
Article in English | MEDLINE | ID: mdl-38591927

ABSTRACT

Background and purpose:

Discontinua­tion of medication still remains a key element in the treatment of medication overuse headache (MOH), but there is no consensus on the withdrawal procedure. We aimed to share the promising results of anesthetic blockade of greater occipital nerve (GON), which can be an alternative to existing treatments during the early withdrawal period of MOH treatment.

. Methods:

This study was conducted using regular electronic medical records and headache diaries of patients diagnosed with MOH and treated with anesthetic GON blockade with 0.5% bupivacaine solution in a specia­lized headache outpatient clinic. A total of 86 patients who developed MOH while being followed up for chronic migraine were included in the study.

. Results:

The treatment schemes for MOH are based on expert consensus and withdrawal strategies are the most challenging part of treatment. In our study, numerical rating scale for headache intensity, overused medication consumption per month, headache frequency (day/month) and the duration of each attack (hour/day) decreased significantly in the first month compared to pre-treatment (p < 0.01). 

. Conclusion:

Conclusion – Our study suggests that GON blockade can be used as a good alternative therapy in the treatment of MOH.

.


Subject(s)
Anesthetics , Headache Disorders, Secondary , Migraine Disorders , Humans , Migraine Disorders/drug therapy , Headache , Anesthetics/therapeutic use , Bupivacaine/therapeutic use , Headache Disorders, Secondary/chemically induced , Headache Disorders, Secondary/drug therapy
2.
ACS Nano ; 15(3): 4144-4154, 2021 03 23.
Article in English | MEDLINE | ID: mdl-33630589

ABSTRACT

Optical imaging probes have played a major role in detecting and monitoring a variety of diseases. In particular, nonlinear optical imaging probes, such as second harmonic generating (SHG) nanoprobes, hold great promise as clinical contrast agents, as they can be imaged with little background signal and unmatched long-term photostability. As their chemical composition often includes transition metals, the use of inorganic SHG nanoprobes can raise long-term health concerns. Ideally, contrast agents for biomedical applications should be degraded in vivo without any long-term toxicological consequences to the organism. Here, we developed biodegradable harmonophores (bioharmonophores) that consist of polymer-encapsulated, self-assembling peptides that generate a strong SHG signal. When functionalized with tumor cell surface markers, these reporters can target single cancer cells with high detection sensitivity in zebrafish embryos in vivo. Thus, bioharmonophores will enable an innovative approach to cancer treatment using targeted high-resolution optical imaging for diagnostics and therapy.


Subject(s)
Molecular Imaging , Zebrafish , Animals , Microscopy, Fluorescence , Peptides
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