Periodic Angioedema with Eosinophilia: Increased Serum Level of Interleukin 5

スポンサーリンク

概要

• 論文の詳細を見る

著者

• Sekiguchi Morie

  First Department Of Internal Medicine Shinshu University School Of Medicine

• Sekiguchi Morie

  Saiseikai Kumamoto Hospital

• Sekiguchi Morie

  International Cardiomyopathy Study Section Japan Research Promotion Society For Cardiovascular Disea

• YOSHIKAWA Sawako

  the First Department of Internal Medicine, Shinshu University School of Medicine

• SEKIGUCHI Morie

  the First Department of Internal Medicine, Shinshu University School of Medicine

• Hossain Mahboob

  The First Department Of Internal Medicine Shinshu University School Of Medicine

• OKUBO Yoshio

  the First Department of Internal Medicine, Shinshu University School of Medicine

• SATO Etsuro

  the First Department of Internal Medicine, Shinshu University School of Medicine

• OTA Teruo

  the First Department of Internal Medicine, School of Medicine, Shinshu University

• Sekiguchi Morie

  The First Department Of Internal Medicine Shinshu University School Of Medicine

• Sekiguchi Morie

  The 1st Department Of Internal Medicine Shinshu University

• Sekiguchi Morie

  First Department Of Internal Medicine Shinshu University

• Ota Teruo

  The First Department Of Internal Medicine School Of Medicine Shinshu University

• Sato Etsuro

  The First Department Of Internal Medicine Shinshu University School Of Medicine

• Okubo Yoshio

  The First Department Of Internal Medicine Shinshu University School Of Medicine

• Yoshikawa Sawako

  The First Department Of Internal Medicine School Of Medicine Shinshu University

• Sekiguchi Morie

  Dept. Of Cardiology The Heart Institute Japan Tokyo Women's Medical College.

関連論文

• Guideline for Diagnosing Chronic Myocarditis
• OJ-089 The Gene Expression Signature for Dilated Cardiomyopathy is a Potential Diagnostic or Prognostic Tool(OJ15,Cardiomyopathy/Hypertrophy (Clinical) (M),Oral Presentation (Japanese),The 73rd Annual Scientific Meeting of The Japanese Circulation Society
• DEGENERATION OF PORCINE XENOGRAFTS IN CHILDREN : Congenital heart disease : FREE COMMUNICATIONS (Abstract) : 45 Annual Scientific Meeting, Japanese Circulation Society
• -P105- A COMPARATIVE STUDY OF ANGIOGRAPHIC MORPHOLOGY AND HISTOPATHOLOGICAL FINDINGS OF CORONARY ARTERIES IN CASES WITH UNSTABLE ANGINA
• PE-042 Therapy With Immunoglobulin Prevents Acute Death in Patients With Fulminant Myocarditis(Cardiomyopathy, basic/clinical(03)(M),Poster Session(English),The 72nd Annual Scientific Meeting of the Japanese Circulation Society)
• 6 The Proportion and Outcome of Chronic Heart Failure Patients Indicated for Heart Transplantation(Therapeutic Strategy for Severe Heart Failure-From LVAD to Heart Transplantation-,Symposium 11 (SY-11) (H),The 73rd Annual Scientific Meeting of The Japanes
• Long Term Prognosis of Chronic Heart Failure : Reduced vs Preserved Left Ventricular Ejection Fraction(Heart Failure)
• THE PATTERN OF ANGINA PRIOR TO ACUTE MYOCARDIAL INFARCTION : Cardiovascular Drugs : 46th Annual Scientific Meeting, Japanese Circulation Society
• Our Experience of Coronary Intervention. Intraccoronary Guide Wire Recanalization and Percutaneous Transluminal Coronary Angioplasty : REPORT OF A SATELITE SYMPOSIUM OF THE JAPANESE CIRCULATION SOCIETY ON THE INITIAL JAPANESE EXPERIENCE OF PERCUTANEOUS TR
• A LONG-TERM MEDICAL FOLLOW-UP OF PATIENTS WITH VARIANT ANGINA : PROCEEDINGS OF THE 47th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY : Ischemic Heart Disease (I)
• PE-054 The Efficacy of a Strategy Based on 2.5-mm Sirolimus-Eluting Stents implantation at Lower Inflation Pressure in Very Small Coronary Arteries(Coronary revascularization, PCI(08)(IHD),Poster Session(English),The 72nd Annual Scientific Meeting of the
• PE-005 The Incidence and Predictors of Troponin-I Elevation Following Non-Urgent Diagnostic Coronary Angiography : A Prospective Study(Angina pectoris, basic/clinical(03)(IHD),Poster Session(English),The 72nd Annual Scientific Meeting of the Japanese Circ
• PJ-130 Is it Possible to Predict Which Patients Will Benefit from the Use of Distal Protection during Primary Percutaneous Coronary Intervention?(Myocardial ischemia/reperfusion, basic/clinical-3, The 71st Annual Scientific Meeting of the Japanese Circula
• -241- LONG-TERM RESULTS OF INTERNAL MAMMARY ARTERY GRAFTING TO LEFT ANTERIOR DESCENDING ARTERY : COMPARISON WITH SAPHENOUS VEIN GRAFTING : PTCA, CABG : FREE COMMUNICATIONS(II) : PROCEEDINGS OF THE 51th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION
• RETROSPECTIVE COMPARATIVE STUDY OF CABG, PTCA AND MEDICAL TREATMENT IN LAD SINGLE VESSEL DISEASE : PTCA, Thrombosis : PROCEEDINGS OF THE 50th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY
• PROGNOSIS OF DILATED CARDIOMYOPATHY : AN INTEGRATED STUDY EMPLOYING MULTIVARIATE ANALYSIS : Myocardial Disease (III) : FREE COMMUNICATIONS (III) : PROCEEDINGS OF THE 49th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY
• THE KINETICS OF SERUM MYOGLOBIN IN ACUTE MYOCARDIAL INFARCTION PATIENTS AND ITS CLINICAL USEFULNESS MEASURED IMMUNOLOGICALLY : IVth Auditorium
• SKELETAL MUSCLE ABNORMALITIES IN IDIOPATHIC CARDIOMYOPATHY : PROCEEDINGS OF THE 37TH ANNUAL MEETING OF THE JAPANESE CIRCULATION SOCIETY
• NATURAL HISTORY OF RHEUMATIC VALVULAR DISEASES BASED ON AUTOPSY FINDINGS
• CLINICAL AND PATHOLOGICAL OBSERVATION EMPLOYING ENDOMYOCARDIAL BIOPSY IN HYPERTROPHIC TYPE OF PRIMARY MYOCARDIAL DISEASE
• Diagnosis and Clinical Spectrum of Primary Myocardial Disease : Part III
• 73) Rheumatic Activity in Valvular Disease
• COMPATIBILITY OF BIOPSY AND AUTOPSY FINDINGS FROM THE SAME HEART : AN AUTOPSY STUDY ON 63 OUT OF 1,255 CASES WHERE ENDOMYOCARDIAL BIOPSY HAD BEEN PERFORMED : Cardiomyopathy (I) : 46th Annual Scientific Meeting, Japanese Circulation Society
• A HISTOPATHOLOGICAL COMPARATIVE STUDY OF DISPROPORTIONATE VENTRICULAR SEPTAL HYPERTROPHY ASSOCIATED WITH CONGENITAL HEART DISEASES AND HYPERTROPHIC CARDIOMYOPATHY : Cardiomyopathy (I) : 46th Annual Scientific Meeting, Japanese Circulation Society
• 7) LONG-TERM PROGNOSIS OF PRIMARY ENDOCARDIAL FIBROELASTOSIS: CLINICAL AND HISTOPATHOLOGICAL ANALYSIS BY ENDOMYOCARDIAL BIOPSY
• -0043-EFFECTS OF METOPROLOL ON CARDIAC ADRENERGIC INNERVATION IN DOXORUBICIN (DOX)-INDUCED MYOCARDIAL DAMAGE IN RATS
• 23)HISTOPATHOLOGICAL AND ULTRA-STRUCTURAL OBSERVATIONS OF EOSINOPHILIC HEART DISEASE EMPLOYING ENDOMYOCARDIAL BIOPSY : THE 8th CONFERENCE ON CARIDIOMYOPATHY
• PATHOLOGIC STUDY OF THE CAUSE OF VENTRICULAR TACHYCARDIA WITH LEFT BUNDLE BRANCH BLOCK MORPHOLOGY : RIGHT VENTRICULAR ENDOMYOCARDIAL BIOPSY STUDY : Myocardial Disease (III) : FREE COMMUNICATIONS (III) : PROCEEDINGS OF THE 49th ANNUAL SCIENTIFIC MEETING OF
• 15)ANALYSIS OF HISTOPATHOLOGICAL FINDINGS IN CASES WITH DILATED CARDIOMYOPATHY WITH SPECIAL REFERENCE TO THE POSSIBILITY OF MYOCARDITIS RELATED FINDINGS : THE 7th CONFERENCE ON CARDIOMYOPATHY
• SELECTION OF CANDIDATES FOR CARDIAC TRANSPLANTATION RECIPIENTS AMONG 7256 CARDIAC PATIENTS AND 2000 AUTOPSY CASES: A JAPANESE STUDY : THE 5th CONFERENCE ON CARDIOMYOPATHY
• Ventriculographic Findings in the Convalescent Stage in Eleven Cases with Acute Myocarditis : THE 7th CONFERENCE ON PREVENTION FOR RHEUMATIC FEVER AND RHEUMATIC HEART DISEASE
• Acute Hypoxic Pulmonary Vascular Response Does Not Accompany Plasma Endothelin-1 Elevation in Subjects Susceptible to High Altitude Pulmonary Edema
• Effect of Prone Position on Apnea Severity in Obstructive Sleep Apnea
• Improvement of Quality of Life With Nocturnal Oxygen Therapy in Heart Failure Patients With Central Sleep Apnea
• Inclusion of electric disturbance type cardiomyopathy in the classification of cardiomyopathy : A current review
• IS101 Corticosteroid treatment and long-term survival in patients with cardiac sarcoldosis : a multivariate analysis of prognostic determinants
• 13) ON THE RELIABILITY OF MAKING HISTOPATHOLOGICAL BIOPSY DIAGNOSES OF MYOCARDITIS AND POSTMYOCARDITIS WITH AND WITHOUT CLINICAL INFORMATION
• 12) LONG-TERM FOLLOW-UP OF PATIENTS WITH HYPERTROPHIC CARDIOMYOPATHY: A COMPARATIVE STUDY IN PEDIATRIC AND ADULT CASES
• BIOPSY ASSESSED BMHD (BIZARRE MYOCARDIAL HYPERTROPHY WITH DISORGANIZATION) AS A HALLMARK OF HYPERTROPHIC CARDIOMYOPATHY : A CONCEPT THROUGH A STUDY OF BIOPSIED RIGHT VENTRICULAR MYOCARDIUM IN VALVULAR AND CONGENITAL HEART DISEASES AND COR PULMONALE : Card
• IS030 Antisense bcl-x Oligonucleotide Induces Apoptosis and Prevents Arterial Neointimal Formation in Murine Cardiac Allografts
• IS030 Prevention of Cardiac Allograft Arteriosclerosis with Single Intraluminal Delivery of Decoy to Transcription Factor E2F
• SEQUENTIAL CHANGES OF PLASMA ATRIAL NATRIURETIC POLYPEPTIDE LEVELS IN ACUTE MYOCARDIAL INFARCTION : Atrial Natriuretic Polypeptide (II) : PROCEEDINGS OF THE 50th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY
• Pulmonary Hypertension as a Result of Asymptomatic Portosystemic Shunt
• IS108 Clinical and prognostic significance of myocardial fatty acid metabolic changes before and during beta-blocker therapy in patients with dilated cardiomyopathy
• Familial Sick Sinus Syndrome With Atrioventricular Conduction Disturbance
• Hepatitis C Virus Infection and Heart Diseases : A Multicenter Study in Japan
• OJ-153 Impact of High-Risk Pregnancy on Left Ventricular Function during Peripartum Period : a Prospective Study for Screening of Peripartum Cardiomyopathy(OJ26,Cardiac Function (Clinical) (M),Oral Presentation (Japanese),The 73rd Annual Scientific Meetin
• OE-052 Which Risk Factors are Associated with Poor Outcomes in Heart Failure Patients?(OE09,Heart Failure (Treatment) 1 (M),Oral Presentation (English),The 73rd Annual Scientific Meeting of The Japanese Circulation Society)
• PJ-014 Biphasic Disribution of Troponin I Values in Patients with Acute Myocardial Infarction at the Initial Visit to ER(Acute myocardial infarction, clinical (diagnosis/treatment)-6, The 71st Annual Scientific Meeting of the Japanese Circulation Society)
• A COMPARATIVE STUDY OF I-123 METAIODOBENZYLGUANIDINE (MIBG) AND T1-201 CARDIAC TOMOGRAPHY IN PATIENTS WITH IDIOPATHIC DILATED CARDIOMYOPATHY (DCM) : RI : 53 Annual Scientific Meeting, Japanese Circulation Society
• Multiinstitutional Cardiac Biopsy Study of Fifteen Cases With Brugada Syndrome
• Diffuse Pulmonary Amyloidosis with Monoclonal IgG-kappa Gammopathy
• INSULIN-LIKE GROWTH FACTOR I RECEPTORS IN HUMAN CARDIAC MYOCYTES AND THEIR RELATION TO MYOCARDIAL HYPERTROPHY
• CLASSIFICATION OF THE SICK SINUS SYNDROME ACCORDING TO OVERDRIVE SUPPRESSION : Ist Auditorium : PROCEEDINGS OF THE 40TH ANNUAL MEETING OF THE JAPANESE CIRCULATION SOCIETY
• Efficacy and Limitations of CCU : from Surgical Standpoints : The Effectiveness and Limitations of Coronary Care Unit
• VENTRICULAR SEPTAL DEFECT FOLLOWING ACUTE MYOCARDIAL INFARCTION : REPORT OF SIX CASES WITH SURGICAL TREATMENT
• -0653-ANALYSIS OF HISTOPATHOLOGIC BIOPSY FINDINGS IN CASES OF DILATED CARDIOMYOPATHY WITH SPECIAL REFERENCE TO THE INCIDENCE OF POSTMYOCARDITIC CHANGE
• CLINICAL STUDY ON SEPTAL CONFIGURATION BY BIVENTRICULOGRAPHY : WITH REFERENCE TO HISTOPATHOLOGICAL FINDINGS OF ENDOMYOCARDIAL BIOPSY : Hemodynamics, Cardiac Function (IV) : IV : 48 Annual Scientific Meeting, Japanese Circulation Society
• A CLINICOPATHOLOGICAL STUDY OF BIOPSIED LEFT VENTRICULAR MYOCARDIUM IN PATIENTS WITH HYPERTENSIVE HEART DISEASE AND HYPERTROPHIC CARDIOMYOPATHY : PROCEEDINGS OF THE 47th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY : Cardiomyopathy
• -152-CLINICOPATHOLOGICAL CORRELATION OF VASCULAR (HUMORAL) REJECTION IN CARDIAC TRANSPLANTATION : Cardiomyopathy : FREE COMMUNICATIONS(I) : PROCEEDINGS OF THE 53th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY
• TWO PEDIATRIC JAPANESE PATIENTS WHO UNDERWENT HEART TRANSPLANTATION IN UTAH CARDIAC TRANSPLANT PROGRAM IN THE UNITED STATES
• PJ-322 Significance of Serum Erythropoietin Level in Chronic Heart Failure(Heart failure, clinical(16)(M),Poster Session(Japanese),The 72nd Annual Scientific Meeting of the Japanese Circulation Society)
• PJ-122 The influence that Serum Erythropoietin Level and BNP Level Give Consequence of Heart Failure(Heart failure, clinical(13)(M),Poster Session(Japanese),The 72nd Annual Scientific Meeting of the Japanese Circulation Society)
• OJ-114 Utility of β-blocker for Chronic Kidney Disease(CKD) : Study in Chronic heart Failure(CHF) with CKD(Kidney/Renal circulation(02)(H),Oral Presentation(Japanese),The 72nd Annual Scientific Meeting of the Japanese Circulation Society)
• PJ-534 Predicting the Prognosis of Acute Myocarditis from the Clinical Pictures(Myocarditis, basic/clinical-2, The 71st Annual Scientific Meeting of the Japanese Circulation Society)
• PJ-503 Serum Erythropoietin Increased in Heart Failure Patients with Low Hemoglobin, but the Efficacy was Insufficient(Heart failure, clinical-15, The 71st Annual Scientific Meeting of the Japanese Circulation Society)
• PJ-486 Influence to Give to Left Ventricle Configuration of Bisoprolol in Chronic Heart Failure : Comparison with Carvedilol(Heart failure, clinical-12, The 71st Annual Scientific Meeting of the Japanese Circulation Society)
• PJ-482 Comparison of Outcomes after One Year between the Treatments with and without Carperitide for Acute Heart Failure(Heart failure, clinical-12, The 71st Annual Scientific Meeting of the Japanese Circulation Society)
• 18) HOLTER MONITOR ANALYSIS IN CASES WITH HYPERTROPHIC AND DILATED CARDIOMYOPATHY
• CHANGES IN PLATELET ADHESIVENESS AND BLOOD COAGULATION IN ACUTE MYOCARDIAL INFARCTION: A FOLLOW-UP STUDY IN 15 CASES : IInd Auditorium : PROCEEDINGS OF THE 40TH ANNUAL MEETING OF THE JAPANESE CIRCULATION SOCIETY
• Immunoblastic lymphadenopathy-like T-cell lymphoma complicated by multiple gastrointestinal involvement
• Cardiac Sarcoidosis Mimicking Hypertrophic Cardiomyopathy : Clinical Utility of Radionuclide Imaging for Differential Diagnosis
• Churg-Strauss syndrome (allergic granulomatous angitis) presenting with ileus caused by ischemic ileal ulcer
• Elevated Serum CA19-9 Level and Regional Lymphadenopathy in a Young Man with Allergic Bronchopulmonary Aspergillosis
• Inhibitory Effects of Theophylline and Procaterol on Eosinophil Function
• Interleukin-13 but Not Interleukin-4 Prolongs Eosinophil Survival and Induces Eosinophil Chemotaxis
• Successful Treatment of Fungus Ball in a Patient with Allergic Bronchopulmonary Aspergillosis: Continuous Percutaneous Instillation of Antifungal Agents into the Cavity
• Periodic Angioedema with Eosinophilia: Increased Serum Level of Interleukin 5
• IL-5 Predominant in Bronchoalveolar Lavage Fluid and Peripheral Blood in a Patient with Acute Eosinophilic Pneumonia
• -0383-A NONINVASIVE ESTIMATION OF PULMONARY HYPERTENSION BY POSTURAL CHANGE BETWEEN LEFT AND RIGHT LATERAL DECUBITUS POSITIONS EMPLOYING PERFUSION LUNG SCINTIGRAPHY
• COMPUTERIZED M-MODE ECHOCARDIOGRAPHIC ASSESSMENT OF LEFT VENTRICULAR DIASTOLIC FUNCTION IN PATIENTS WITH FAMILIAL AMYLOID POLYNEUROPATHY : 51st Annual Meeting of the Japanese Circulation Society
• HISTOLOGICAL EVIDENCE OF LEFT VENTRICULAR INVOLVEMENT IN ARRHYTHMOGENIC RIGHT VENTRICULAR DYSPLASIA
• RELATIONSHIP BETWEEN MYOCARDIAL INFARCTION AND PRE-INFARCTION ANGINA: A HISTOPATHOLOGICAL STUDY OF CORONARY ARTERIES EMPLOYING SERIAL SECTION FROM PATIENTS WHO DIED WITHIN 24 HOURS AFTER AN ATTACK OF MYOCARDIAL INFARCTION : Ist Auditorium
• PE-232 Role of Tc-99m sestamibi Washout in Patients with Cardiac Sarcoidosis(Nuclear cardiology(04)(I),Poster Session(English),The 72nd Annual Scientific Meeting of the Japanese Circulation Society)
• Upregulation of KCNE1 Induces QT Interval Prolongation in Patients With Chronic Heart Failure
• Ultrastructural Features of the Endomyocardium in Patients with Eosinophilic Heart Disease : An Endomyocardial Biopsy Study : THE 8TH CONFERENCE ON PRVENTION FOR RHEUMATIC FEVER AND RHEUMATIC HEART DISEASE
• Histopathological Findings of Acute and Convalescent Myocarditis Obtained by Serial Endomyocardial Biopsy : THE 8TH CONFERENCE ON PRVENTION FOR RHEUMATIC FEVER AND RHEUMATIC HEART DISEASE
• HISTOLOGICAL EXAMINATION OF THE MYOCARDIAL CHANGE OF PRIMARY PULMONARY HYPERTENSION : Cardiomyopathy, Myocarditis : 53 Annual Scientific Meeting, Japanese Circulation Society
• long-term Follow-up of Electrocardiographic Findings in Patients with Acute Myocarditis Proven by Endomyocardial Biopsy : THE 6th CONFERENCE ON PREVENTION FOR RHEUMATIC FEVER AND RHEUMATIC HEART DISEASE
• A COMPARATIVE STUDY BETWEEN RE-EVALUATED CORONARY ARTERIOGRAPHIC AND CLINICAL FINDINGS IN PATIENTS WITH CORONARY ARTERY DISEASE : BEFORE AND AFTER ONE TO TEN YEARS OF FOLLOW UP : PROCEEDINGS OF THE 47th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATIO
• SYNCOPAL ATTACK AT THE ONSET OF ACUTE MYOCARDIAL INFARCTION : Ischemic heart disease : FREE COMMUNICATIONS (Abstract) : 45 Annual Scientific Meeting, Japanese Circulation Society
• -254-A COMPARATIVE STUDY OF CORONARY ANGIOGRAM AND HISTOPATHOLOGICAL EXAMINATION OF CORONARY ARTERIES EMPLOYING SERIAL SECTION: WITH SPECIAL REFERENCE TO THE CHANGES OF CORONARY THROMBUS AFTER AN ATTACK OF MYOCARDIAL INFARCTION : Coronary Circulation : PR
• 8) ENDOMYOCARDIAL BIOPSY FINDINGS IN SECONDARILY OCCURRING MYOCARDIAL HYPERTROPHY WITH SPECIAL REFERENCE TO THE INCIDENCE OF BIZARRE MYOCARDIAL HYPERTROPHY WITH DISORGANIZATION
• CLINICOPATHOLOGICAL STUDY IN 17 AUTOPSIED CASES OF RIGHT VENTRICULAR INFARCTION : Ischemic Heart disease : Ist Auditorium : Proceedings of the 43rd Annual Meeting of the Japanese Circulation Society, Tokyo, 1979
• PATHOGENESIS OF CORONARY THROMBOSIS IN ACTE MYOCARDIAL INFARCTION: A HISTOLOGICAL STUDY OF CORONARY ARTERIES OF 108 AUTOPSIED CASES EMPLOYING SERIAL SECTION : IInd Auditorium : PROCEEDINGS OF THE 40TH ANNUAL MEETING OF THE JAPANESE CIRCULATION SOCIETY
• A HISTOPATHOLOGICAL STUDY OF CORONARY ARTERIES IN THE PATHOGENESIS OF ACUTE MYOCARDIAL INFARCTION: A COMPARATIVE EXAMINATION OF TYPICAL AND ATYPICAL CASES : Cardiomyopathies, Kawasaki Disease : PROCEEDINGS OF THE 44th ANNUAL SCIENTIFIC MEETING OF THE JAPA
• CANALIZATION OF CORONARY THROMBI STUDIED BY SERIAL SECTION : WITH SPECIAL REFERENCE TO THE CHANGES OF CORONARY THROMBI AFTER AN ATTACK OF MYOCARDIAL INFARCTION : Ischemic heart disease : FREE COMMUNICATIONS (Abstract) : 45 Annual Scientific Meeting, Japan
• Eosinophil Viability-Enhancing Activity in Mite-Sensitive Bronchial Asthma.
• Radiographic and Hemodynamic Changes during Recovery from High-Altitude Pulmonary Edema.

もっと見る 閉じる

スポンサーリンク