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R. Isoaho · SciRah

Researcher profile · Semantic Scholar

R. Isoaho

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R. Isoaho — researcher profile on SciRah

h-index: 34
Works: 94
Citations: 3,564

Most-cited papers

Use of medications and polypharmacy are increasing among the elderly.
Tarja Linjakumpu, S. Hartikainen, T. Klaukka, J. Veijola +2 more
2002Journal of Clinical Epidemiology491 citations
Semantic Scholar
Diagnosing cognitive impairment and dementia in primary health care -- a more active approach is needed.
Minna K. Löppönen, I. Räihä, R. Isoaho, T. Vahlberg +1 more
2003Age and Ageing244 citations
Semantic Scholar
Vitamin B12 deficiency in the aged: a population-based study.
Saila M. Loikas, P. Koskinen, K. Irjala, Minna K. Löppönen +3 more
2007Age and Ageing135 citations
Semantic Scholar
Estimation of glomerular filtration rate in the elderly: a comparison of creatinine‐based formulae with serum cystatin C
E. Wasén, R. Isoaho, K. Mattila, T. Vahlberg +2 more
2004Journal of Internal Medicine132 citations Open access
Semantic Scholar
Overweight and Obesity in Old Age Are Not Associated with Greater Dementia Risk
A. Dahl, Minna K. Löppönen, R. Isoaho, S. Berg +1 more
2008Journal of The American Geriatrics Society117 citations
Semantic Scholar
Prevalence of chronic obstructive pulmonary disease in elderly Finns.
R. Isoaho, H. Puolijoki, E. Huhti, S. Kivelä +2 more
1994Respiratory Medicine108 citations
Semantic Scholar
A model to classify the sedative load of drugs
Tarja Linjakumpu, S. Hartikainen, T. Klaukka, H. Koponen +2 more
2003International Journal of Geriatric Psychiatry97 citations
Semantic Scholar
Fractures as predictors of excess mortality in the aged—A population-based study with a 12-year follow-up
M. Piirtola, T. Vahlberg, Minna K. Löppönen, I. Räihä +2 more
2008European Journal of Epidemiology90 citations
Semantic Scholar
Psychotropics among the home‐dwelling elderly—increasing trends
Tarja Linjakumpu, S. Hartikainen, T. Klaukka, H. Koponen +2 more
2002International Journal of Geriatric Psychiatry90 citations
Semantic Scholar
Serum cystatin C in the aged: relationships with health status.
E. Wasén, R. Isoaho, K. Mattila, T. Vahlberg +2 more
2003American Journal of Kidney Diseases88 citations
Semantic Scholar
A multifactorial fall prevention programme in the community-dwelling aged: predictors of adherence.
N. Sjöstén, M. Salonoja, M. Piirtola, T. Vahlberg +4 more
2007European Journal of Public Health82 citations Open access
Semantic Scholar
A multifactorial fall prevention programme in home-dwelling elderly people: a randomized-controlled trial.
N. Sjöstén, M. Salonoja, M. Piirtola, T. Vahlberg +4 more
2007Public Health76 citations Open access
Semantic Scholar
Chlamydia pneumoniae antibodies in chronic obstructive pulmonary disease.
L. von Hertzen, R. Isoaho, M. Leinonen, R. Koskinen +4 more
1996International Journal of Epidemiology72 citations
Semantic Scholar
Major lower extremity amputation in elderly patients with peripheral arterial disease: incidence and survival rates
Leena Remes, R. Isoaho, T. Vahlberg, H. Hiekkanen +3 more
2008Aging Clinical and Experimental Research61 citations
Semantic Scholar
Stronger symptoms of depression predict high coronary heart disease mortality in older men and women
M. Ahto, R. Isoaho, H. Puolijoki, T. Vahlberg +1 more
2007International Journal of Geriatric Psychiatry61 citations
Semantic Scholar
RIA for serum holo-transcobalamin: method evaluation in the clinical laboratory and reference interval.
Saila M. Loikas, Minna K. Löppönen, P. Suominen, J. Møller +5 more
2003Clinical Chemistry61 citations
Semantic Scholar
Prevalence of asthma in elderly Finns.
R. Isoaho, Hannu Puoluoki, E. Huhti, S. Kivelä +1 more
1994Journal of Clinical Epidemiology61 citations
Semantic Scholar
Chronic Obstructive Pulmonary Disease and Symptoms Related to Depression in Elderly Persons
R. Isoaho, P. Laippala, T. Keistinen, S. Kivelä
1995Psychological Reports59 citations
Semantic Scholar
Undiagnosed Diseases in Patients with Dementia – A Potential Target Group for Intervention
Minna K. Löppönen, R. Isoaho, I. Räihä, T. Vahlberg +5 more
2004Dementia and Geriatric Cognitive Disorders58 citations
Semantic Scholar
Use of CNS medications and cognitive decline in the aged: a longitudinal population-based study
J. Puustinen, J. Nurminen, Minna K. Löppönen, T. Vahlberg +3 more
2011BMC Geriatrics55 citations Open access
Semantic Scholar
Relationship between self-reported hearing and measured hearing impairment in an elderly population in Finland
J. Salonen, Reijo K. Johansson, S. Karjalainen, T. Vahlberg +1 more
2011International Journal of Audiology55 citations
Semantic Scholar
Sedative Drug Use in the Home-Dwelling Elderly
Tarja Linjakumpu, S. Hartikainen, T. Klaukka, H. Koponen +5 more
2004The Annals of Pharmacotherapy53 citations
Semantic Scholar
Frailty and mortality: an 18-year follow-up study among Finnish community-dwelling older people
M. Salminen, A. Viljanen, Sini Eloranta, Paula Viikari +8 more
2019Aging Clinical and Experimental Research49 citations Open access
Semantic Scholar
Effects of risk-based multifactorial fall prevention on postural balance in the community-dwelling aged: a randomized controlled trial.
M. Salminen, T. Vahlberg, S. Sihvonen, N. Sjöstén +4 more
2009Archives of gerontology and geriatrics (Print)48 citations Open access
Semantic Scholar
Cognitive Impairment among Elderly Coronary Heart Disease Patients
M. Ahto, R. Isoaho, H. Puolijoki, P. Laippala +2 more
1999Gerontology48 citations
Semantic Scholar
Effect of age, sex and smoking habits on pneumococcal antibodies in an elderly population.
U. Sankilampi, R. Isoaho, A. Bloigu, S. Kivelä +1 more
1997International Journal of Epidemiology44 citations
Semantic Scholar
Chronic Obstructive Pulmonary Disease and Cognitive Impairment in the Elderly
R. Isoaho, Hannu Puolijoki, Esko Huhti, P. Laippala +1 more
1996International Psychogeriatrics42 citations Open access
Semantic Scholar
Effects of a health advocacy, counselling, and activation programme on depressive symptoms in older coronary heart disease patients
M. Salminen, R. Isoaho, T. Vahlberg, A. Ojanlatva +1 more
2005International Journal of Geriatric Psychiatry39 citations
Semantic Scholar
Prevalence of coronary heart disease, associated manifestations and electrocardiographic findings in elderly Finns.
Merja Ahto, R. Isoaho, Hannu Puolijoki, P. Laippala +2 more
1998Age and Ageing39 citations
Semantic Scholar
Serum cystatin C as a marker of kidney dysfunction in an elderly population.
E. Wasén, P. Suominen, R. Isoaho, K. Mattila +3 more
2002Clinical Chemistry38 citations
Semantic Scholar
Renal impairment associated with diabetes in the elderly.
E. Wasén, R. Isoaho, K. Mattila, T. Vahlberg +2 more
2004Diabetes Care35 citations Open access
Semantic Scholar
Poor performance in the mini-mental state examination due to causes other than dementia.
I. Räihä, R. Isoaho, A. Ojanlatva, P. Viramo +2 more
2001Scandinavian Journal of Primary Health Care35 citations
Semantic Scholar
Coronary heart disease and depression in the elderly--a population-based study.
Merja Ahto, R. Isoaho, H. Puolijoki, P. Laippala +2 more
1997Family Practice35 citations
Semantic Scholar
Chlamydial antibodies in an elderly Finnish population.
A.-L. Koivisto, R. Isoaho, L. von Hertzen, M. Töyrylā +3 more
1999Scandinavian Journal of Infectious Diseases34 citations
Semantic Scholar
The effect of thyroid antibody positivity on reference intervals for thyroid stimulating hormone (TSH) and free thyroxine (FT4) in an aged population
S. Eskelinen, P. Suominen, T. Vahlberg, Minna K. Löppönen +3 more
2005Clinical Chemistry and Laboratory Medicine33 citations
Semantic Scholar
Quality of life among lower extremity peripheral arterial disease patients who have undergone endovascular or surgical revascularization: a case-control study.
L. Remes, R. Isoaho, T. Vahlberg, M. Viitanen +1 more
2010European Journal of Vascular and Endovascular Surgery32 citations Open access
Semantic Scholar
Predictors for institutionalization and prosthetic ambulation after major lower extremity amputation during an eight-year follow-up
Leena Remes, R. Isoaho, T. Vahlberg, M. Viitanen +1 more
2009Aging Clinical and Experimental Research32 citations
Semantic Scholar
Associations of sex hormone concentrations with health and life satisfaction in elderly men.
S. Eskelinen, T. Vahlberg, R. Isoaho, S. Kivelä +1 more
2007Endocrine Practice30 citations
Semantic Scholar
Long-term reproducibility of ambulatory blood pressure in unselected elderly subjects.
M. Wendelin-Saarenhovi, R. Isoaho, J. Hartiala, Hans Helenius +2 more
2001Clinical Physiology30 citations
Semantic Scholar
Influence of age, gender and smoking on Streptococcus pneumoniae, Haemophilus influenzae and Moraxella (Branhamella) catarrhalis antibody titres in an elderly population.
P. Kurtti, R. Isoaho, L. von Hertzen, T. Keistinen +2 more
1997Scandinavian Journal of Infectious Diseases30 citations
Semantic Scholar
Frailty, walking ability and self-rated health in predicting institutionalization: an 18-year follow-up study among Finnish community-dwelling older people
A. Viljanen, M. Salminen, K. Irjala, P. Korhonen +7 more
2020Aging Clinical and Experimental Research28 citations Open access
Semantic Scholar
Quality of life three years after major lower extremity amputation due to peripheral arterial disease.
Leena Remes, R. Isoaho, T. Vahlberg, M. Viitanen +2 more
2010Aging Clinical and Experimental Research27 citations
Semantic Scholar
Renal impairment compromises the use of total homocysteine and methylmalonic acid but not total vitamin B12 and holotranscobalamin in screening for vitamin B12 deficiency in the aged
Saila M. Loikas, P. Koskinen, K. Irjala, Minna K. Löppönen +3 more
2007Clinical Chemistry and Laboratory Medicine27 citations
Semantic Scholar
Hearing aid compliance in the elderly.
Jaakko Salonen, Reijo K. Johansson, Seppo Karjalainen, T. Vahlberg +2 more
2013B-ENT26 citations
Semantic Scholar
CNS Medications as Predictors of Precipitous Cognitive Decline in the Cognitively Disabled Aged: A Longitudinal Population-Based Study
J. Puustinen, J. Nurminen, T. Vahlberg, A. Lyles +3 more
2012Dementia and Geriatric Cognitive Disorders Extra26 citations Open access
Semantic Scholar
Religious attendance and 12-year survival in older persons.
Timo Teinonen, T. Vahlberg, R. Isoaho, S. Kivelä
2005Age and Ageing26 citations
Semantic Scholar
Ceramides and Phosphatidylcholines Associate with Cardiovascular Diseases in the Elderly.
Taina T. Katajamäki, Marja-Kaisa Koivula, M. Hilvo, Mitja Lääperi +11 more
2022Clinical Chemistry25 citations Open access
Semantic Scholar
Effects of risk-based multifactorial fall prevention program on maximal isometric muscle strength in community-dwelling aged: a randomized controlled trial
M. Salminen, T. Vahlberg, S. Sihvonen, M. Piirtola +3 more
2008Aging Clinical and Experimental Research23 citations
Semantic Scholar
Humoral immune response to Chlamydia pneumoniae in twin discordant for smoking.
L. von Hertzen, J. Kaprio, M. Koskenvuo, R. Isoaho +1 more
1998Journal of Internal Medicine23 citations
Semantic Scholar
Dementia Associates with Undermedication of Cardiovascular Diseases in the Elderly
Minna K. Löppönen, I. Räihä, R. Isoaho, T. Vahlberg +2 more
2006Dementia and Geriatric Cognitive Disorders22 citations
Semantic Scholar

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S. Kivelä×42
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T. Vahlberg×26
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Minna K. Löppönen×13
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P. Laippala — researcher profile on SciRah

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H. Puolijoki×6

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M. Piirtola — researcher profile on SciRah

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Tarja Linjakumpu×4

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Tarja Linjakumpu — researcher profile on SciRah

S. Hartikainen×4

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S. Hartikainen — researcher profile on SciRah