检索

Cerebrovascular complications of hematopoetic stem cell transplantation in patients with hematologic malignancies

Polushin A., Skiba I., Bakin E., Vladovskaya M., Yakovleva V., Moiseev I., Yanishevskiy S., Voznyuk I., Kulagin A.

(Rus)

卷 19, 编号 2 (2025)

Ischemic Stroke in MCA Dissection with the Formation of the Double Lumen: Diagnostic Challenges

Kalashnikova L., Filatov A., Dreval M.

(Rus)

(Eng)

卷 19, 编号 2 (2025)

Cerebrometabolic Health

Tanashyan М., Antonova A.

(Rus)

(Eng)

卷 14, 编号 3 (2020)

Progressive ischaemic stroke: the difficulty in choosing antithrombotic therapy

Shirokov E., Lomakin N., Buryachkovskaya L.

(Rus)

Changes in the in-hospital mortality due to stroke and factors affecting its reduction in the European Union, Middle East, USA, Canada, Ethiopia and China

Vozniuk I., Morozova E., Prokhorova M.

(Rus)

卷 17, 编号 3 (2023)

Approaches to classification of microembolic signals in patients recovering from ischemic stroke

Orlova E., Berdalin A., Lelyuk V.

(Rus)

In-hospital stroke in patients after cardiovascular surgery

Filimonova P., Volkova L., Alasheev A., Grichuk E.

(Rus)

卷 18, 编号 4 (2024)

A Genetic Perspective on Ischemic Stroke: Recent Advances and Future Directions

Chandra Sekar P., Veerabathiran R.

(Rus)

(Eng)

卷 17, 编号 4 (2023)

Poststroke Asthenic Disorder

Kutlubaev M., Akhmetova A.

(Rus)

(Eng)

Virtual reality as an upper limb rehabilitation approach

Khizhnikova A., Klochkov A., Kotov-Smolenskiy A., Suponeva N., Chernikova L.

(Rus)

Endothelial dysfunction indicators and hemorheological properties in acute ischemic stroke

Azhermacheva M., Alifirova V., Plotnikov D., Aliev O., Solovtsov M., Burkova K., Plotnikov M.

(Rus)

卷 8, 编号 3 (2014)

The value of various brain pathways impairment in the post-stroke rehabilitation of walking function

Kadykov A., Barkhatov Y.

(Rus)

卷 9, 编号 1 (2015)

Hemorheology and hemostasis in ischemic stroke patients treated with i.v. thrombolysis

Gafarova M., Domashenko M., Korobkova D., Maksimova M., Loskutnikov M., Shabalina A., Kostyreva M., Konovalov R.

(Rus)

卷 6, 编号 1 (2012)

Five-year survival after stroke

Kulesh S., Likhachev S., Filina N., Struneusky A., Kostinevich T., Kliatskova L., Sauchanko M.

(Rus)

卷 4, 编号 3 (2010)

Endogenous neuroprotection during focal brain ischemia in rats: erythropoietin, ischemic pre- and postconditioning

Shmonin A., Panov I., Simanenkova A., Prosvirnina M., Chekanov S., Melnikova E., Vlasov T.

(Rus)

卷 3, 编号 1 (2009)

Ischemic stroke in young age due to dissection of intracranial carotid artery and its branches (clinical and morphological study)

Kalashnikova L., Gulevskaya T., Anufriev P., Gnedovskaya E., Konovalov R., Piradov M.

(Rus)

卷 2, 编号 1 (2008)

Lower cranial nerve palsias in the internal carotid artery dissection

Kalashnikova L., Gulevskaya T., Anufriev P., Konovalov R., Schipakin V., Chechetkin A., Avdunina I., Selivanov V., Pavlov E.

(Rus)

Personification of the approaches to reperfusion therapy of ischemic stroke

Domashenko M., Maksimova M., Gafarova M., Tanashyan M., Antonova K., Piradov M.

(Rus)

Risk factors for the development of the ischemic stroke in the carotid arterial system in males and females

Maksimova M., Moskvicheva A., Chechetkin A.

(Rus)

卷 14, 编号 1 (2020)

Cerebrovascular disorders and glucolipotoxicity

Tanashyan M., Antonova K., Raskurazhev A., Lagoda O., Shabalina A., Romantsova T.

(Rus)

Comparing the results of surgical and conservative treatment of patients with supratentorial hypertensive intracerebral hemorrhage. A new look at previously known randomized studies

Godkov I., Dashyan V.

(Rus)

卷 15, 编号 4 (2021)

Surgical results for hypertensive intracerebral hemorrhagesdepending on intervention timing

Dashyan V., Godkov I., Prokop’ev L., Grin A., Krylov V.

(Rus)

卷 18, 编号 3 (2024)

Ischemic Stroke and Coronavirus Infection: Complications of Endovascular Thrombectomy

Yakovlev A., Voznjouk I., Kharitonova T., Savello A., Prokhorova M., Kolomentsev S., Tsurikova N., Romanova M.

(Rus)

(Eng)

卷 17, 编号 2 (2023)

Predictors of In-Hospital Mortality Among Patients with COVID-19 Related Stroke

Rakhmatullin A., Kutlubaev M., Khayrullin A.

(Rus)

The effect of transcranial electrical stimulation of brain endorphinergic mechanisms on the blood β-endorphin level in experimental ischemic stroke and traumatic brain injury

Zanin S., Kade A., Trofimenko A., Baykova E., Onopriev V.

(Rus)

Venous thrombogenesis and functional state of the hemorheology and hemostasis system in stroke patients

Ryabinkina Y., Piradov M., Tanashyan M., Shabalina A., Kostyreva M.

(Rus)

卷 8, 编号 3 (2014)

Hemorheology and hemostasis in stroke patients with type 2 diabetes and metabolic syndrome

Tanashyan M., Shchepankevich L., Orlov S., Telenkova N., Shabalina A., Kostyreva M.

(Rus)

Citicoline (Ceraxon) in acute stroke: assessment of clinical efficacy and effects on cerebral perfusion

Piradov M., Sergeev D., Krotenkova M.

(Rus)

卷 5, 编号 3 (2011)

The use of structural and functional neuroimaging for the evaluation of motor rehabilitation in patients with ischemic stroke

Dobrynina L.

(Rus)

卷 4, 编号 3 (2010)

Poststroke cognitive impairment in patients with deep hemispheric lesions

Shahparonova N., Kashina E., Kadykov A.

(Rus)

卷 3, 编号 1 (2009)

The problem of stroke in Seversk, Tomsk region

Alifirova V., Antukhova O.

(Rus)

卷 2, 编号 1 (2008)

Endothelial dysfunction in patients with ischemic stroke

Suslina Z., Tanashyan M., Domashenko M., Ionova V., Chechetkin A.

(Rus)

卷 11, 编号 3 (2017)

The change in androgenic status in men with atherothrombotic stroke

Maksimova M., Moskvicheva A., Chechetkin A.

(Rus)

卷 12, 编号 3 (2018)

Analysis of the factors limiting reperfusion therapy in patients with ischemic strokes

Maslova N., Miloserdov M.

(Rus)

卷 14, 编号 2 (2020)

Legal Aspects of Medical Care in Hospital-acquired Ischaemic Stroke

Voznyuk I., Kolomentsev S., Nikitin Y.

(Rus)

卷 15, 编号 3 (2021)

Mechanisms of neurogenesis and angiogenesis in ischaemic stroke: literature review

Koroleva E., Alifirova V.

(Rus)

卷 16, 编号 3 (2022)

Clinical features of stroke in the artery of Percheron territory (case series)

Annushkin V., Nikonov A., Maksimova M., Lagoda О., Tanashyan M.

(Rus)

卷 18, 编号 3 (2024)

Clinical and Neuroimaging Patterns of Ischemic Stroke in Ph-negative Myeloproliferative Neoplasms

Tanashyan М., Kuznetsova P., Raskurazhev A., Melikyan A., Subortseva I., Shabalina А., Morozova S.

(Rus)

(Eng)

卷 17, 编号 2 (2023)

Assessment of Biomarker Profile in Patients Post Carotid Angioplasty and Stenting

Tanashyan М., Annushkin V., Raskurazhev A., Lagoda O., Shabalina А., Medvedev R., Shchipakin V.

(Rus)

卷 10, 编号 4 (2016)

Pathogenetic stroke subtypes and their diagnostic criteria in patients with ischemic heart disease and intracranial atherosclerosis: a clinical-morphological study

Ablyakimov R., Anufriev P., Tanashyan M.

(Rus)

卷 8, 编号 4 (2014)

Extrapyramidal movement disorders in patients after stroke

Pizova N.

(Rus)

卷 8, 编号 2 (2014)

Objectivization of equilibrium and stability changes in patients with stroke in the early restorative period

Romanova M., Kubryak O., Isakova E., Grochovsky S., Kotov S.

(Rus)

Immunological changes in acute ischemic stroke

Zhirnova I., Maksimova M., Komelkova l., Varakin Y., Bolotova T.

(Rus)

卷 5, 编号 3 (2011)

Effect of Lokomat trainings on the severity of gait disorders in patients after stroke

Klochkov A., Telenkov A., Chernikova L.

(Rus)

卷 4, 编号 1 (2010)

Multicentral pilot clinical trial of gliatilin in treatment of acute ischemic stroke

Odinak M., Voznyuk I., Piradov M., Rumyantseva S., Kuznetsov A., Yanishevskiy S., Golokhvastov S., Tsygan N.

(Rus)

卷 2, 编号 4 (2008)

Acute phase of ischemic stroke in diabetes mellitus of type II

Ermolaeva A.

(Rus)

卷 1, 编号 3 (2007)

Partial thrombosis of carotid arteries in acute ischemic stroke

Chechetkin A., Lagoda O.

(Rus)

卷 11, 编号 2 (2017)

Optimization of early rehabilitation of patients with ischemic stroke and sleep-disordered breathing

Lutokhin G., Geraskina L., Fonyakin A., Maksimova M.

(Rus)

卷 12, 编号 3 (2018)

Healthcare system for patients with stroke in Russia. Results of 10-years implementation of the measures aimed at improvement of medical care for patients with acute cerebrovascular events

Skvortsova V., Shetova I., Kakorina E., Kamkin E., Boyko E., Dashyan V., Krylov V.

(Rus)

卷 14, 编号 2 (2020)

Neurological aspects of COVID-19

Tanashyan M., Kuznetsova P., Raskurazhev A.

(Rus)

Does gender influence the clinical characteristics of ischaemic stroke in patients aged 45–74 years?

Maksimova M., Airapetova A.

(Rus)

卷 18, 编号 1 (2024)

PreventS-MD®: a New Digital Technology to Maintain Cardiovascular Prevention in Routine Clinical Practice

Kravchenko M., Gnedovskaya E., Feigin V., Piradov M.

(Rus)

(Eng)

Post-Covid disorders of nervous system: personal experience

Shchepankevitch L., Arkhipov I., Polyanskaya V., Veretelnikov I., Taneeva E., Rerikh K.

(Rus)

Recovery of static and locomotor functions in patients with the vestibular-atactic syndrome during the recovery from cerebrovascular accident

Kaygorodtseva S., Abros'kina M., Prokopenko S., Ismailova S.

(Rus)

卷 9, 编号 4 (2015)

A comparative clinical and neuroimaging study of venous and arterial strokes

Mashin V., Belova L., Moiseev M., Proshin A.

(Rus)

卷 8, 编号 3 (2014)

Аcute stroke and type 2 diabetes

Tanashyan M., Antonova K., Lagoda O., Maksimova M., Glebov M., Shabalina A.

(Rus)

卷 7, 编号 1 (2013)

Organization of language network in healthy subjects and its reorganization in patients with poststroke aphasia

Belopasova A., Kadykov A., Konovalov R., Kremneva E.

(Rus)

卷 5, 编号 3 (2011)

Neurospecific peptides in the assessment of brain damage in patients with atherothrombotic stroke

Maximova M., Ionova V., Syskina E., Shabalina A., Kostyreva M., Sinektutova O.

(Rus)

卷 3, 编号 4 (2009)

Cerebral perfusion in the acute ischemic stroke: clinical and CT-perfusion assessment

Sergeev D., Krotenkova M., Piradov M.

(Rus)

卷 2, 编号 3 (2008)

CT-perfusion in acute ischemic stroke

Sergeev D., Lavrentyeva A., Krotenkova M.

(Rus)

卷 1, 编号 3 (2007)

Metabolic syndrome and ischemic stroke

Tanashyan M., Orlov S., Domashenko M., Ionova V.

(Rus)

卷 11, 编号 3 (2017)

Quality of life as an integral indicator for effectiveness of rehabilitation in patients with ischemic stroke

Luk'yanchikova L., Bel'skaya G.

(Rus)

卷 12, 编号 4 (2018)

Morphological markers of basic pathogenic variants of ischemic strokes in cerebral atherosclerosis

Anufriev P., Tanashyan M., Gulevskaya T., Evdokimenko A.

(Rus)

卷 14, 编号 3 (2020)

Somatosensory evoked potentials in the evaluation of motor rehabilitation efficacy in patients with ischaemic stroke

Alifirova V., Tolmachev I., Koroleva E., Kucherova K.

(Rus)

The effect of modifiable stroke risk factors on systemic thrombolytic therapy in patients with acute stroke

Kotov S., Isakova E., Kolchu I., Belkina S.

(Rus)

卷 16, 编号 3 (2022)

Differential diagnosis of stroke and vestibular neuritis in emergency neurology

Monak A., Kulesh A., Parfenov V., Astanin P.

(Rus)

Thromboembolic cerebral aneurysms

Shnyakin P., Roslavtseva V., Gavrilova A.

(Rus)

(Eng)

卷 18, 编号 1 (2024)

Ischemic Stroke and COVID-19 Infection: an Analysis of Treatment Outcomes in Patients who Underwent Endovascular Thrombectomy

Yakovlev A., Voznyuk I., Kharitonova T., Savello A., Prokhorova M., Kolomentsev S., Tsurikova N.

(Rus)

(Eng)

Molecular mechanisms of neuroprotective effects of thyroid hormones and their metabolites in acute brain ischemia

Filimonov D., Yevtushenko S., Fedorova A.

(Rus)

A role of genetic factors in the development of individual predisposition to ischemic stroke

Korchagin V., Mironov K., Dribnokhodova O., Maksimova M., Illarioshkin S., Tanashyan M., Platonov A., Shipulin G., Raskurazhev A., Piradov M.

(Rus)

卷 9, 编号 3 (2015)

Extended Doppler monitoring of cerebral blood flow in different subtypes of ischemic stroke

Polushin A., Odinak M., Voznyuk I., Yanishevskiy S.

(Rus)

卷 8, 编号 1 (2014)

Risk factors for cerebrovascular disease according to the screening of middle-aged population of Ulyanovsk

Mashin V., Belova L., Saprygina L., Kravchenko M., Varakin Y., Gnedovskaya E., Suslina Z.

(Rus)

Cardioembolic stroke: characteristics of cerebral, systemic and intracardial hemodinamics and their interrelations with lesion lateralization

Kuznetsova S., Egorova M.

(Rus)

卷 5, 编号 1 (2011)

The course of the acute period of ischemic stroke after inravenous thrombolysis

Domashenko M., Maksimova M., Loskutnikov M., Nikonov A., Bryukhov V.

(Rus)

卷 3, 编号 4 (2009)

Diagnostic criteria for ischemic strokes of various pathogenic subtypes in patients with atherosclerosis and arterial hypertension

Bolotova T., Anufriev P.

(Rus)

卷 2, 编号 3 (2008)

Blood pressure in acute ischemic stroke subtypes

Kadomskaya M.

(Rus)

卷 1, 编号 2 (2007)

Influence of rehabilitation therapy on functional organization of motor systems after stroke

Busheneva S., Kadykov A., Chernikova L.

(Rus)

卷 11, 编号 4 (2017)

Ischemic stroke and inherited thrombophilias

Pizova N.

(Rus)

卷 13, 编号 1 (2019)

Intravenous thrombolysis in ischemic stroke: clinical predictors of efficacy and safety

Domashenko M., Maksimova M., Tanashyan M.

(Rus)

卷 16, 编号 3 (2022)

Inflammation and endothelial toxicity: pathogenetic aspects of central nervous system damage due to novel coronavirus disease

Prokhorova M., Yakovlev A., Voznyuk I., Morozova E., Gogoleva E., Pivovarova L.

(Rus)

Metabolic predictors of ischemic stroke in young adults

Ponomareva M., Shchepankevich L., Rerikh K., Zatynko A., Antonova K., Tanashyan M.

(Rus)

(Eng)

A clinical value of neuroplasticity in ischemic stroke

Damulin I., Ekusheva E.

(Rus)

卷 8, 编号 1 (2014)

Clinical manifestations of internal carotid artery dissection

Kalashnikova L., Dobrynina L.

(Rus)

卷 9, 编号 1 (2015)

Endoscopic removal of intracranial hemorrhage and fenestration of symptomatic arachnoid cysts in the brain

Gushcha A., Semenov M., Lepsveridze L., Arestov S.

(Rus)

Functional reorganization of sensorimotor cortex in chronic hemispheric ischemic stroke patients with different severity of motor deficit

Dobrynina L., Kremneva E., Konovalov R., Kadykov A.

(Rus)

卷 5, 编号 1 (2011)

Cerebrovascular disorders in antiphospholipid syndrome

Kalashnikova L.

(Rus)

卷 3, 编号 2 (2009)

Modern opportunities for surgical treatment of multiple lesions of brachiocephal arteries

Skrylev S., Shchipakin V., Koshcheev A., Lobova N., Evdokimova T., Chechetkin A., Davydenko I., Fedin P.

(Rus)

卷 2, 编号 3 (2008)

Pathogenic heterogenety of ischemic stroke and patent foramen ovale

Suslina Z., Fonyakin A., Chechetkin A., Glebov M., Geraskina L., Nikitin Y., Kravchenko M.

(Rus)

Prognostic factors for recovery of motor dysfunction following ischemic stroke

Barkhatov Y., Kadykov A.

(Rus)

Adhesion molecules in patients with severe atherothrombotic stroke

Okhtova F., Mikhal'chenko V., Maksimova M.

(Rus)

卷 13, 编号 2 (2019)

The haemorrhagic transformation of cerebral infarction: classification; pathogenesis; predictors and effect on the functional outcome

Khasanova D., Kalinin M., Ibatullin М., Rakhimov I.

(Rus)

卷 14, 编号 2 (2020)

Transcranial Direct Current Stimulation in Poststroke Hemianopia

Bakulin I., Lagoda D., Poydasheva A., Kremneva E., Suponeva N., Piradov M.

(Rus)

卷 15, 编号 3 (2021)

Ischaemic stroke and oral inflammatory diseases

Maksimova M., Ryazantsev N., Anisimova E., Anisimova N., Piradov М.

(Rus)

卷 16, 编号 4 (2022)

Evaluation of the outcome in ischemic stroke acute period

Novikova L., Akopyan A., Latypova R.

(Rus)

Delirium in acute ischemic stroke: risk factors, sequelae, and pathogenetic treatment

Litvinenko I., Khlystov Y., Tsygan N., Odinak M., Kurasov E., Sapozhnikov K.

(Rus)

(Eng)

卷 17, 编号 3 (2023)

Features of speech disorders in patients with acute ischemic stroke

Kotov S., Shcherbakova M., Zenina V., Isakova E., Kotov A.

(Rus)

Factors that pre-determine the main subtypes of ischemic stroke in middle-aged and senior women

Maximova M., Sazonova V.

(Rus)

卷 9, 编号 4 (2015)

A new approach for stroke prevention in Russia

Feigin V., Varakin Y., Kravchenko M., Piradov M., Tanashyan M., Gnedovskaya E., Stakhovskaya L., Shamalov N., Krishnamurthi R., Bhattacharjee R., Parmar P., Hussein T., Barker-Collo S.

(Rus)

卷 8, 编号 1 (2014)

Statins and ischemic stroke prevention and treatment

Fonyakin A., Geraskina L.

(Rus)

卷 9, 编号 1 (2015)

Neuroprotection in cerebrovascular diseases: is it the search for life on Mars or a promising trend of treatment? Part 1. Acute stroke

Piradov M., Tanashyan M., Domashenko M., Sergeev D., Maksimova M.

(Rus)

卷 6, 编号 2 (2012)

MRI in the assessment of motor function restoration in patients with chronic supratentorial infarction

Dobrynina L., Konovalov R., Kremneva Е., Kadykov A.

(Rus)

卷 4, 编号 4 (2010)

Results of surgical treatment of atherosclerotic stenosis of carotid arteries in patients after ischemic stroke

Kazanchyan P., Popov V., Larkov R., Esayan A., Kotov S., Kozlova I.

(Rus)

卷 3, 编号 3 (2009)

The robotic systems in neurorehabilitation

Chernikova L.

(Rus)

卷 2, 编号 2 (2008)

Сlinical-epidemiological study of stroke in the city of Yakutsk

Tretyakova N., Varakin Y., Kuzmina Z., Chuprova N., Gogolev M.

(Rus)

Neurosurgical aspects of hemorrhagic stroke

Mustafin M., Novikova L., Akopyan A., Shakirov R.

(Rus)

卷 14, 编号 1 (2020)

The role of long noncoding RNAs in ischaemic stroke

Novikova L., Gareev I., Raskurazhev A., Beylerli O., Minibaeva G.

(Rus)

卷 14, 编号 3 (2020)

The World Stroke Organization’s Declaration for worldwide primary stroke and dementia prevention

Brainin M., Feigin V., Norrving B., Martins S., Hankey G., Hachinski V.

(Rus)

卷 15, 编号 4 (2021)

Pseudostroke as a manifestation of mediastinal choriocarcinoma in an elderly man

Korneva Y., Maslova N., Rudenko Y., Miloserdov M., Shisterova O.

(Rus)

Intracranial atherosclerosis: structure, clinical aspects and risk factors

Tanashyan M., Mazur A., Raskurazhev A., Berliand A., Dreval M., Kuznetsova P., Lagoda О.

(Rus)

(Eng)

卷 17, 编号 4 (2023)

Brain–Computer Interface Using Functional Near-Infrared Spectroscopy for Post-Stroke Motor Rehabilitation: Case Series

Lyukmanov R., Isaev M., Mokienko O., Bobrov P., Ikonnikova E., Cherkasova A., Suponeva N.

(Rus)

(Eng)

New opportunities in the use of endovascular methods of recanalization in the management of ischemic stroke

Kutlubaev M., Akhmadeeva L.

(Rus)

卷 8, 编号 4 (2014)

A case of urination apraxia: phenomenology of the syndrome and differential diagnosis with other forms of post-stroke cortical dysuria

Domashenko M., Shvarts P., Popov S., Borodulina I., Shvedkov V., Maksimova M., Kadykov A.

(Rus)

卷 8, 编号 2 (2014)

Myeloproliferative diseases and ischemic stroke

Tanashyan M., Kuznetsova P., Lagoda O., Shabalina A., Subortseva I., Melikyan A.

(Rus)

卷 7, 编号 2 (2013)

Robot-assisted therapy with the use of MOTOmed letto 2 in complex early rehabilitation of patients with stroke admitted to the intensive care unit

Prokazova P., Piradov M., Ryabinkina Y., Kunzevich G., Gnedovskaya E., Popova L.

(Rus)

卷 6, 编号 1 (2012)

Locomotion supraspinal control assessment in healthy people and stroke patients with the use of passive motor fMRI paradigm

Kremneva E., Chernikova L., Konovalov R., Krotenkova M., Saenko I., Kozlovskaya I., Chervyakov A.

(Rus)

卷 4, 编号 3 (2010)

Stroke-like episodes in mitochondrial encephalomyopathy with lactic acidosis

Kalashnikova L., Dobrynina L., Sakharova A., Chaykovskaya R., Mir-Kasimov M., Konovalov R., Shabalina A., Kostyreva M., Gnezditsky V., Protsky S.

(Rus)

卷 3, 编号 3 (2009)

Clinico-epidemiological studies a perspective direction for investigation of cerebrovascular disorders

Suslina Z., Varakin Y.

(Rus)

卷 2, 编号 2 (2008)

Intravenous thrombolysis in acute ischemic stroke

Domashenko M., Maksimova M., Kistenev B., Loskutnikov M., Konovalov R., Bryukhov V., Krotenkova M., Suslina Z.

(Rus)

Prediction of the outcome of the acute phase of ischemic stroke: the role of apoptotic markers

Sergeeva S., Savin A., Arkhipov V., Gul’tyaev M., Breslavich I., Litvitskii P.

(Rus)

Clinical-morphological features of hemodynamic strokes

Tanashyan M., Ablyakimov R., Gulevskaya T., Anufriev P., Evdokimenko A.

(Rus)

卷 14, 编号 1 (2020)

Atherothrombotic stroke in women: blood thrombogenicity and the vascular wall

Maksimova M., Chechetkin А., Moskvicheva A., Shabalina A.

(Rus)