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'score': 0.5}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W4242570206', 'https://openalex.org/W2901876230', 'https://openalex.org/W2807693932', 'https://openalex.org/W2761989122', 'https://openalex.org/W2409996474', 'https://openalex.org/W2327702460', 'https://openalex.org/W2171729249', 'https://openalex.org/W2105486711', 'https://openalex.org/W2087386175', 'https://openalex.org/W135914338'], 'abstract_inverted_index': {'Acute': [0], 'heart': [1], 'failure:': [2], 'time': [3], 'to': [4, 180, 221, 249, 263], 'relax?/': [5], 'Transcatheter': [6], 'mitral': [7], 'interventions': [8], '21': [9], 'tus,': [10], 'reflecting': [11], 'iron': [12, 16, 184, 253, 275], 'stores': [13, 276], 'and': [14, 55, 73, 96, 129, 145, 169, 199, 201, 237, 266, 268, 286], 'intracellular': [15], 'status,': [17], 'respectively.All': [18], 'patients': [19, 49, 76, 104, 157, 207, 234, 258, 296], 'were': [20, 63, 107], 'prospectively': [21], 'divided': [22], 'into': [23], '4': [24], 'age': [25, 60, 79, 101, 232, 309], 'groups:': [26], '<50': [27], '(n=148),': [28], '50-59': [29], '(n=301),': [30], '60-69': [31], '(n=174),': [32], '≥70': [33], 'years': [34, 242], '(n=113),': [35], 'respectively.Results:': [36], 'There': [37], 'was': [38, 193, 227], 'a': [39], 'trend': [40], 'towards': [41], 'the': [42, 84, 86, 302], 'higher': [43, 87, 146], 'prevalence': [44, 88], 'of': [45, 89, 283], 'ID': [46, 224, 238, 265, 269], 'in': [47, 66, 77, 189, 230, 291, 306], 'elderly': [48], 'with': [50, 105, 158, 182, 195, 204, 208, 235, 251, 259, 297], 'HFrEF': [51, 106, 159, 209, 236, 260], '(36%,': [52], '30%,': [53], '40%': [54], '41%': [56], '-in': [57, 98], 'aforementioned': [58, 99], 'respective': [59, 100], 'groups,': [61, 102], 'p=0.07).There': [62], 'no': [64], 'differences': [65, 290], 'TSAT,': [67], 'sTfR,': [68], 'MCV,': [69], 'MCH,': [70], 'MCHC,': [71], 'hsCRP': [72, 218], 'NT-proBNP': [74, 168], 'between': [75], 'different': [78], 'groups': [80], '(all': [81, 186, 255], 'p>0.2).The': [82], 'older': [83, 231, 294], 'patients,': [85], 'ID-related': [90], 'anaemia': [91], '(IDA)': [92], '(4%,': [93], '7%,': [94], '16%': [95], '14%': [97], 'p<0.01).Elderly': [103], 'characterized': [108], 'by': [109, 273, 279], 'lower': [110, 244], 'haemoglobin': [111], '(14.5±1.6,14.2±1.4,13.8±1.5,13.2±1.4g/dL,': [112], 'p<0.0001),': [113], 'ferritin': [114, 285], '(199': [115], '(98,': [116], '310),': [117], '170': [118], '(106,': [119], '296),': [120], '167': [121], '(89,': [122], '277),': [123], '144': [124], '(72,': [125], '241': [126], 'ng/mL),': [127, 143], 'p<0.05)': [128, 144], 'hepcidin': [130], '(79': [131], '(43,': [132], '133),': [133], '52': [134], '(30,': [135], '111),': [136], '68': [137], '(31,': [138], '127),': [139], '46': [140], '(25,': [141], '93': [142], 'eGFR': [147], '(95±27,': [148], '79±22,': [149], '70±21,': [150], '65±31': [151], 'mL/min/1.73m': [152], '2': [153], ',': [154], 'p<0.01).Only': [155], 'among': [156, 206], 'aged': [160, 210, 239], 'below': [161, 211, 240], '50': [162], 'years,': [163, 213], 'iron-deficient': [164, 214, 295], 'subjects': [165, 215], 'demonstrated': [166, 216], 'high': [167, 175, 217], 'low': [170, 280], 'LVEF': [171], 'as': [172, 174, 178, 219, 247], 'well': [173], 'uric': [176, 196], 'acid': [177, 197], 'compared': [179, 220, 248], 'those': [181, 222, 250], 'preserved': [183, 252], 'status': [185, 254], 'p<0.05),': [187], 'also': [188], 'this': [190], 'group': [191], 'sTfR': [192], 'related': [194], '(r=0.2,p<0.5)': [198], 'p<0.001),': [200], 'Tsat': [202], 'correlated': [203], 'p<0.05).Only': [205], '60': [212], 'without': [223], '(p<0.05),': [225], 'which': [226, 299], 'not': [228], 'seen': [229], 'groups.Also': [233], '70': [241], 'had': [243], 'total': [245], 'cholesterol': [246], 'p<0.05).Conclusions:': [256], 'Elderly': [257], 'are': [261, 288], 'prone': [262], 'develop': [264], 'IDA,': [267], 'is': [270], 'reflected': [271], 'mainly': [272], 'depleted': [274], '(as': [277], 'assessed': [278], 'serum': [281], 'levels': [282], 'both': [284], 'hepcidin).There': [287], 'clinical': [289], 'younger': [292], 'versus': [293], 'HFrEF,': [298], 'may': [300], 'presume': [301], 'diverse': [303], 'pathophysiological': [304], 'background': [305], 'these': [307], 'separate': [308], 'groups.': [310]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2761989122', 'counts_by_year': [], 'updated_date': '2025-01-22T10:47:29.664738', 'created_date': '2017-10-20'}