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Abrahim M. Unified Anatomical Explanation of Diagonal Earlobe Creases, Preauricular Creases, and Paired Creases of the Helix. Cureus 2022; 14:e27929. [PMID: 36120207 PMCID: PMC9464458 DOI: 10.7759/cureus.27929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/12/2022] [Indexed: 11/29/2022] Open
Abstract
Three types of ear creases have been described in the medical literature in association with several cardiovascular and metabolic disorders: diagonal earlobe creases (DELCs) (Frank’s sign), preauricular vertical creases, and paired ear creases of the helix (PECH). The exact mechanism of development of such creases, as well as an explanation of their association with cardiometabolic disorders, remains unclear. Herein, the author provides a suggested unified mechanism of development of all three types of auricular creases. In addition, an anatomical explanation linking the associated cardiometabolic disorders and the three types of ear creases to the common culprit of facial visceral adiposity will be given.
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Sekiguchi A, Inoue Y, Yamazaki S, Uchiyama A, Ishikawa O, Kuribayashi S, Uraoka T, Hara K, Yamaguchi K, Maeno T, Uchida M, Koyama H, Motegi SI. Prevalence and clinical characteristics of earlobe crease in systemic sclerosis: Possible association with vascular dysfunction. J Dermatol 2020; 47:870-875. [PMID: 32424835 DOI: 10.1111/1346-8138.15400] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Accepted: 04/20/2020] [Indexed: 11/30/2022]
Abstract
Patients with systemic sclerosis (SSc) develop various vasculopathy-induced vascular disorders such as Raynaud's phenomenon, abnormal nail-fold capillaries, persistent digital ischemia, digital ulcers (DU), and sometimes develop renal crisis and pulmonary artery hypertension (PAH), affecting prognosis. Earlobe crease (ELC), also known as Frank's sign, is a wrinkle extending from the tragus to the outer border of the earlobe and is generally recognized as the sign of cardiovascular events. However, no previous study analyzed the association between ELC and SSc. In this study, we examined the prevalence and clinical characteristics of ELC in SSc patients. We analyzed 145 Japanese SSc patients and found that the prevalence of ELC in SSc patients was 23.4% (43/145), similar to that previously reported in the general population without SSc. Using univariate analysis, we found that SSc patients with ELC were characterized by old age, high incidence of DU, ILD and PAH, and high complication of coronary artery diseases (CAD) compared with SSc patients without ELC. In multivariate analysis, ELC was significantly associated with old age and incidence of DU. PAH tended to correlate with ELC without statistical significance. These results suggest that ELC may be associated with vascular disorders in SSc patients. This is the first report concerning the prevalence and clinical characteristics of ELC in patients with SSc. ELC is very easy to detect in clinical practice and helps physicians to identify SSc patients at risk of developing vascular disorders such as DU and PAH.
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Affiliation(s)
- Akiko Sekiguchi
- Departments of, Department of, Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yuta Inoue
- Departments of, Department of, Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Sahori Yamazaki
- Departments of, Department of, Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Akihiko Uchiyama
- Departments of, Department of, Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Osamu Ishikawa
- Departments of, Department of, Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Shiko Kuribayashi
- Department of, Gastroenterology and Hepatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Toshio Uraoka
- Department of, Gastroenterology and Hepatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Kenichiro Hara
- Department of, Respiratory Medicine, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Kouichi Yamaguchi
- Department of, Respiratory Medicine, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Toshitaka Maeno
- Department of, Respiratory Medicine, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Mitsuo Uchida
- Department of, Public Health, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Hiroshi Koyama
- Department of, Public Health, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Sei-Ichiro Motegi
- Departments of, Department of, Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
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Diagonal Earlobe Crease is a Visible Sign for Cerebral Small Vessel Disease and Amyloid-β. Sci Rep 2017; 7:13397. [PMID: 29042572 PMCID: PMC5645376 DOI: 10.1038/s41598-017-13370-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 09/21/2017] [Indexed: 11/16/2022] Open
Abstract
We investigated the frequency and clinical significance of diagonal earlobe crease (DELC) in cognitively impaired patients using imaging biomarkers, such as white matter hyperintensities (WMH) on MRI and amyloid-β (Aβ) PET. A total of 471 cognitively impaired patients and 243 cognitively normal (CN) individuals were included in this study. Compared with CN individuals, cognitively impaired patients had a greater frequency of DELC (OR 1.6, 95% CI 1.1–2.2, P = 0.007). This relationship was more prominent in patients with dementia (OR 1.8, 95% CI 1.2–2.7, P = 0.002) and subcortical vascular cognitive impairment (OR 2.4, 95% CI 1.6–3.6, P < 0.001). Compared with Aβ-negative cognitively impaired patients with minimal WMH, Aβ-positive patients with moderate to severe WMH were significantly more likely to exhibit DELC (OR 7.3, 95% CI 3.4–16.0, P < 0.001). We suggest that DELC can serve as a useful supportive sign, not only for the presence of cognitive impairment, but also for cerebral small vessel disease (CSVD) and Aβ-positivity. The relationship between DELC and Aβ-positivity might be explained by the causative role of CSVD in Aβ accumulation.
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Honma M, Shibuya T, Iwasaki T, Iinuma S, Takahashi N, Kishibe M, Minami-Hori M, Ishida-Yamamoto A. Prevalence of coronary artery calcification in Japanese patients with psoriasis: A close correlation with bilateral diagonal earlobe creases. J Dermatol 2017; 44:1122-1128. [PMID: 28464401 DOI: 10.1111/1346-8138.13895] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Accepted: 03/23/2017] [Indexed: 11/28/2022]
Abstract
Psoriasis is a multifactorial inflammatory disorder, in which the inflammation affects not only the skin but also the other internal organs, and can induce cardiovascular and cerebrovascular involvements. However, few predictive factors of cardiovascular diseases have been clarified in patients with psoriasis. This study was performed to verify whether diagonal earlobe creases (ELC) can reflect the hidden comorbidities in Japanese psoriatic patients. Prevalence and subtypes of ELC were analyzed in patients with psoriatic and with non-psoriatic skin diseases, and the correlation with coronary artery calcification (CAC) or fatty liver (FL) detected by computed tomography. Prevalence of CAC was approximately twice higher than data of a Japanese resident-based study previously reported. Generally, prevalence of ELC in a psoriatic group and mean age of psoriatic groups accompanied by ELC were higher and younger than those of a non-psoriatic skin disease group, respectively. Statistically significant differences were detected in the mean age of total or male subjects accompanied by bilateral ELC with complete and incomplete length. Bilateralism of ELC was closely correlated with prevalence of CAC and CAC on multiple branches in psoriatic patients (P = 6.6e-6 and odds ratio [OR] = 14.1, P = 0.00884 and OR = 10.7, respectively), but not with that of FL. On the contrary, body mass index of more than 25 was closely correlated with prevalence of FL, but not that of CAC. Comorbidities of psoriatic patients are frequently unnoticed. ELC, an apparatus-related feature, can be a useful predictive factor for hidden coronary artery involvements in psoriatic patients.
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Affiliation(s)
- Masaru Honma
- Department of Dermatology, Asahikawa Medical University, Asahikawa, Japan
| | - Takashi Shibuya
- Department of Dermatology, Asahikawa Medical University, Asahikawa, Japan
| | - Takeshi Iwasaki
- Department of Dermatology, Asahikawa Medical University, Asahikawa, Japan
| | - Shin Iinuma
- Department of Dermatology, Asahikawa Medical University, Asahikawa, Japan
| | | | - Mari Kishibe
- Department of Dermatology, Asahikawa Medical University, Asahikawa, Japan
| | - Masako Minami-Hori
- Department of Dermatology, Asahikawa Medical University, Asahikawa, Japan
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Aligisakis M, Marques-Vidal P, Guessous I, Vollenweider P. Did Dumbo suffer a heart attack? independent association between earlobe crease and cardiovascular disease. BMC Cardiovasc Disord 2016; 16:17. [PMID: 26790748 PMCID: PMC4721195 DOI: 10.1186/s12872-016-0193-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2015] [Accepted: 01/12/2016] [Indexed: 03/03/2023] Open
Abstract
Background Earlobe crease (ELC) has been associated with cardiovascular diseases (CVD) or risk factors (CVRF) and could be a marker predisposing to CVD. However, most studies studied only a small number of CVRF and no complete assessment of the associations between ELC and CVRF has been performed in a single study. Methods Population-based study (n = 4635, 46.7 % men) conducted between 2009 and 2012 in Lausanne, Switzerland. Results Eight hundred six participants (17.4 %) had an ELC. Presence of ELC was associated with male gender and older age. After adjusting for age and gender (and medication whenever necessary), presence of ELC was significantly (p < 0.05) associated with higher levels of body mass index (BMI) [adjusted mean ± standard error: 27.0 ± 0.2 vs. 26.02 ± 0.07 kg/m2], triglycerides [1.40 ± 0.03 vs. 1.36 ± 0.01 mmol/L] and insulin [8.8 ± 0.2 vs. 8.3 ± 0.1 μIU/mL]; lower levels of HDL cholesterol [1.61 ± 0.02 vs. 1.64 ± 0.01 mmol/L]; higher frequency of abdominal obesity [odds ratio and (95 % confidence interval) 1.20 (1.02; 1.42)]; hypertension [1.41 (1.18; 1.67)]; diabetes [1.43 (1.15; 1.79)]; high HOMA-IR [1.19 (1.00; 1.42)]; metabolic syndrome [1.28 (1.08; 1.51)] and history of CVD [1.55 (1.21; 1.98)]. No associations were found between ELC and estimated cardiovascular risk, inflammatory or liver markers. After further adjustment on BMI, only the associations between ELC and hypertension [1.30 (1.08; 1.56)] and history of CVD [1.47 (1.14; 1.89)] remained significant. For history of CVD, further adjustment on diabetes, hypertension, total cholesterol and smoking led to similar results [1.36 (1.05; 1.77)]. Conclusion In this community-based sample ELC was significantly and independently associated with hypertension and history of CVD. Electronic supplementary material The online version of this article (doi:10.1186/s12872-016-0193-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Marta Aligisakis
- Faculty of Medicine, University of Lausanne, Lausanne, Switzerland. .,Department of Internal Medicine, Lausanne University Hospital (CHUV), Rue du Bugnon 46, 1011, Lausanne, Switzerland.
| | - Pedro Marques-Vidal
- Department of Internal Medicine, Lausanne University Hospital (CHUV), Rue du Bugnon 46, 1011, Lausanne, Switzerland.
| | - Idris Guessous
- Institute of Social and Preventive Medicine (IUMSP), Lausanne University Hospital, Lausanne, Switzerland. .,Department of Community Medicine, Primary Care and Emergency Medicine, Geneva University Hospitals, Geneva, Switzerland.
| | - Peter Vollenweider
- Department of Internal Medicine, Lausanne University Hospital (CHUV), Rue du Bugnon 46, 1011, Lausanne, Switzerland.
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Christoffersen M, Tybjærg-Hansen A. Visible aging signs as risk markers for ischemic heart disease: Epidemiology, pathogenesis and clinical implications. Ageing Res Rev 2016; 25:24-41. [PMID: 26590331 DOI: 10.1016/j.arr.2015.11.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2015] [Revised: 10/30/2015] [Accepted: 11/09/2015] [Indexed: 12/20/2022]
Abstract
Association of common aging signs (i.e., male pattern baldness, hair graying, and facial wrinkles) as well as other age-related appearance factors (i.e., arcus corneae, xanthelasmata, and earlobe crease) with increased risk of ischemic heart disease was initially described in anecdotal reports from clinicians observing trends in the physical appearance of patients with ischemic heart disease. Following these early observations numerous epidemiological studies have reported these associations. Since the prevalences of both visible aging signs and ischemic heart disease have a strong correlation with increasing age, it has been extensively debated whether the observed associations could be entirely explained by a common association with age. Furthermore, the etiologies of the visible aging signs are rarely fully understood, and pathophysiological explanations for these associations remain controversial, and are mostly speculative. As a consequence of inconsistent findings and lack of mechanistic explanations for the observed associations with ischemic heart disease, consensus on the clinical importance of these visible aging signs has been lacking. The aim of this review is for each of the visible aging signs to (i) review the etiology, (ii) to discuss the current epidemiological evidence for an association with risk of ischemic heart disease, and (iii) to present possible pathophysiological explanations for these associations. Finally this review discusses the potential clinical implications of these findings.
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Agouridis AP, Elisaf MS, Nair DR, Mikhailidis DP. Ear lobe crease: a marker of coronary artery disease? Arch Med Sci 2015; 11:1145-55. [PMID: 26788075 PMCID: PMC4697048 DOI: 10.5114/aoms.2015.56340] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Accepted: 11/25/2014] [Indexed: 11/17/2022] Open
Abstract
The ear lobe crease (ELC) has been defined as a deep wrinkle that extends backwards from the tragus to the auricle. It has been proposed that ELC is a predictor of coronary artery disease (CAD). In this review, we consider the possible association between ELC and CAD. Our aim is to systematically address all the relevant evidence in this field. There are many studies that support an association between ELC and CAD. However, other studies did not find such an association. A recent meta-analysis supports the hypothesis that ELC could be a marker of CAD. However, several limitations raise doubts as to whether we should accept this link.
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Affiliation(s)
- Aris P. Agouridis
- Department of Internal Medicine, Medical School, University of Ioannina, Ioannina, Greece
- Department of Clinical Biochemistry (Vascular Disease Prevention Clinics), Royal Free London Foundation Trust, Pond Street, London, UK
| | - Moses S. Elisaf
- Department of Internal Medicine, Medical School, University of Ioannina, Ioannina, Greece
| | - Devaki R. Nair
- Department of Clinical Biochemistry (Vascular Disease Prevention Clinics), Royal Free London Foundation Trust, Pond Street, London, UK
| | - Dimitri P. Mikhailidis
- Department of Clinical Biochemistry (Vascular Disease Prevention Clinics), Royal Free Hospital Campus, University College London Medical School, University College London (UCL), London, UK
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Wu XL, Yang DY, Zhao YS, Chai WH, Jin ML. Diagonal earlobe crease and coronary artery disease in a Chinese population. BMC Cardiovasc Disord 2014; 14:43. [PMID: 24708687 PMCID: PMC3994203 DOI: 10.1186/1471-2261-14-43] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2012] [Accepted: 03/29/2014] [Indexed: 11/17/2022] Open
Abstract
Background Many reports have claimed associations between diagonal earlobe crease (DELC) and coronary artery disease (CAD), but data in Chinese populations are limited. Methods This cohort study investigated 449 consecutive Chinese, 250 cases with CAD and 199 without CAD, who were certified by coronary artery angiography in our center. Characteristic differences and the relation of DELC to CAD were assessed by Chi-square and t tests. The multivariate regression was performed to adjust for confounders and ROCs mode were used to detect its predicting performance for CAD. Results The prevalence of DELC was 46.2% in those without CAD and 75.2% in those with CAD (P < .001). Subjects with DELC had more stenostic vessels and higher prevalence of both any and significant coronary artery stenosis than those without DELC (P < .001). The sensitivity, specificity and positive and negative predictive values for DELC to diagnose CAD in the whole population were 0.752, 0.538, 0.671 and 0.633. The higher sensitivity and positive predictive values (ppv) were found in male, the lowest sensitivity and the highest ppv in the <45 years old group, and the lowest specificity and ppv in the >75 years old group. After adjusting for other variables including age, gender and traditional risk factors, DELC remained a positive predictor for CAD (OR, 3.408; 95% CI 2.235-5.196; P < 0.001), but not for hypertension, diabetes mellitus, hypercholesterolemia and hypertriglyceridemia. ROC analysis showed the area under the curve was 0.645 (95% CI 0.593-0.697, p < 0.001). Conclusions The study showed a significant association between DELC and CAD independent of established risk factors in Chinese.
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Affiliation(s)
- Xing-Li Wu
- Institute of Geriatric Cardiology, Chinese PLA General Hospital, Beijing, China.
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Abstract
Cardiovascular diseases may affect multiple organ systems including the skin. By identification of specific cutaneous findings, dermatologists may be the first physician to diagnose an underlying cardiovascular disease. This article discusses a number of cardiac disorders with prominent skin findings in addition to general dermatologic signs suggestive of cardiovascular disease.
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Kuri M, Hayashi Y, Kagawa K, Takada K, Kamibayashi T, Mashimo T. Evaluation of diagonal earlobe crease as a marker of coronary artery disease: the use of this sign in pre-operative assessment*. Anaesthesia 2008. [DOI: 10.1111/j.1365-2044.2001.02317.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Edston E. The earlobe crease, coronary artery disease, and sudden cardiac death: an autopsy study of 520 individuals. Am J Forensic Med Pathol 2006; 27:129-33. [PMID: 16738431 DOI: 10.1097/01.paf.0000221067.73173.d7] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The majority of previous studies have demonstrated a correlation between diagonal earlobe creases (ELC) and coronary artery disease (CAD). In this study of 520 forensic autopsy cases, the earlobes were studied and photographed before autopsy, and the existence of a diagonal ELC was noted in 55%. The cause of death, the degree of coronary atherosclerosis, aortosclerosis, and cerebrosclerosis, as well as heart, kidney, and spleen weights, were noted in each case. The body mass index (BMI), thickness of abdominal fat, baldness, and excessive hair in the meatus externa of the external ears were also assessed. Nonparametric methods were used in the statistical calculations. It was found that ELC was strongly correlated with CAD in both men and women (P < 0.0001) but with sudden cardiac death (SCD) only in men (P < 0.04). The sensitivity of the ELC sign was 75% and the positive predictive value (ppv) was 68%. In individuals below 40 years, the ppv was as high as 80%. Using multiple logistic regression analysis, ELC was found to be the strongest independent risk factor for CAD and SCD apart from age and BMI (both genders), as well as baldness and hair in the meatus externa (in males). It is concluded that in a patient population similar to that in the present study the ELC sign could be especially useful in screening for premature CAD in younger individuals.
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Affiliation(s)
- Erik Edston
- Department of Molecular and Clinical Medicine, Division of Forensic Medicine, University Hospital, Linköping, Sweden.
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Abdelmalek NF, Gerber TL, Menter A. Cardiocutaneous syndromes and associations. J Am Acad Dermatol 2002; 46:161-83; quiz 183-6. [PMID: 11807427 DOI: 10.1067/mjd.2002.120928] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
UNLABELLED Multiple cardiocutaneous syndromes and associations are described and reviewed with the emphasis on syndromes that are likely first to be recognized by dermatologists, thereby creating awareness of potential significant cardiovascular disease. Multiple lentigines syndrome, the Carney complex, and Marfan syndrome are examples of syndromes with embryologic and genetic overlap between the cardiac and cutaneous systems. An exhaustive, complete listing of every known disorder or syndrome with combined cardiac and cutaneous findings is beyond the scope of this review. However, all the common associations, both acquired and inherited, including connective tissue, autoimmune, infiltrative, and endocrine disorders are discussed. Because of the serious nature of many of the cardiac defects, early recognition of these conditions by dermatologists and appropriate referrals to colleagues is essential; in addition, when appropriate, genetic counseling is recommended for known heritable disorders. LEARNING OBJECTIVE At the conclusion of this learning activity, participants should be familiar with the embryology of the neural crest, specifically the development of melanocytes and the heart with its vessels, leading to shared abnormalities of the two systems; the major syndromes and associations producing both cutaneous changes, especially of the pigment systems, and cardiovascular abnormalities; the role of the dermatologist in recognizing these changes; and the need to be cognizant and alert in helping screen for associated systemic disease.
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Affiliation(s)
- Nagla F Abdelmalek
- Division of Dermatology and Cardiology, Department of Internal Medicine, Baylor University Medical Center, Dallas, TX, USA
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Kuri M, Hayashi Y, Kagawa K, Takada K, Kamibayashi T, Mashimo T. Evaluation of diagonal earlobe crease as a marker of coronary artery disease: the use of this sign in pre-operative assessment. Anaesthesia 2001; 56:1160-2. [PMID: 11736771 DOI: 10.1046/j.1365-2044.2001.02317.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
In this study, we examined the usefulness of the earlobe crease sign as a marker of coronary artery disease in the pre-operative assessment of patients. We were interested in evaluating this sign for use in emergency patients. We investigated 530 patients, aged > 40 years, undergoing elective surgery. If the electrocardiogram was abnormal or the patient reported symptoms suggesting coronary artery disease, further cardiac examinations were performed. Patients who demonstrated evidence of coronary artery disease in the additional investigations or had a clear history of coronary artery disease were classified as the abnormal coronary group. Other patients with no history and/or normal investigations were classified as the normal coronary group. The assessment of earlobe crease sign was performed prior to anaesthesia, and the sensitivity, specificity and positive predictive value of this sign were calculated. We found that the sensitivity and specificity was high regardless of age, except for specificity in patients > 70 years old. The data suggest that the earlobe crease sign may be a useful marker for the presence of coronary artery disease in patients undergoing emergency operations in which little or no history and investigations are available. However, more work is required to assess the use of this sign in other ethnic groups.
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Affiliation(s)
- M Kuri
- Department of Anaesthesiology, Osaka University Faculty of Medicine (D-7), 2-2, Yamada-oka, Suita Osaka, 565-0871, Japan
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Davis TM, Balme M, Jackson D, Stuccio G, Bruce DG. The diagonal ear lobe crease (Frank's sign) is not associated with coronary artery disease or retinopathy in type 2 diabetes: the Fremantle Diabetes Study. AUSTRALIAN AND NEW ZEALAND JOURNAL OF MEDICINE 2000; 30:573-7. [PMID: 11108067 DOI: 10.1111/j.1445-5994.2000.tb00858.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND The diagonal ear lobe crease (ELC) has been suggested as a simple marker of vascular disease in the general population but there are few data from diabetic patients despite their increased risk of angiopathy. AIM To determine whether the ELC is a clinically useful sign of coronary artery disease (CAD) or retinopathy in type 2 diabetes. METHODS One thousand and twenty-two patients from the multi-ethnic urban catchment area of Fremantle Hospital in Western Australia were studied. This sample represents 79% of the type 2 diabetic subjects recruited to the ongoing Fremantle Diabetes Study and 49% of all 2072 patients with type 2 diabetes identified through active case detection in a postcode-defined region of 120,097 people. In addition to other comprehensive data relating to diabetes and its management, the presence of an ELC and evidence of both CAD and retinopathy were ascertained for each patient. RESULTS The prevalence of ELC was 55%. Patients with an ELC were more likely to have CAD than those without an ELC (p=0.019), but the proportions with retinopathy were not significantly different (p=0.085). The sensitivity and specificity of ELC for detecting CAD were 60% and 48%, and for retinopathy 61% and 47% respectively. The patients with an ELC were significantly older, more likely to be male and had a higher systolic blood pressure than those without (p<0.02). After adjusting for known vascular risk factors, socioeconomic variables and ethnicity in a logistic regression model, an ELC was neither a significant independent predictor of CAD (p=0.45) nor of retinopathy (p=0.14). CONCLUSIONS The ELC is of little value as a sign of the presence of diabetic vascular complications.
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Affiliation(s)
- T M Davis
- University of Western Australia, Department of Medicine, Fremantle Hospital.
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