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Dive into the research topics where Riitta Ahonen is active.

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Featured researches published by Riitta Ahonen.


Pain | 2001

Pain as a reason to visit the doctor: a study in Finnish primary health care

Pekka Mäntyselkä; Esko Kumpusalo; Riitta Ahonen; Anne Kumpusalo; Jussi Kauhanen; Heimo Viinamäki; Pirjo Halonen; Jorma Takala

&NA; This study aims to demonstrate the prevalence of pain as a reason for seeing a physician in primary care. We also performed an analysis of the localization, duration and frequency of pains, as well as the diagnoses of patients having pain. A total of 28 physicians at 25 health centers in Finland collected the data, comprising 5646 patient visits. Pain was identified as the reason for 2237 (40%) of the visits. The most common localizations were in the lower back, abdomen and head. One‐fifth of the pain patients had experienced pain for over six months. Analysis of the diagnoses revealed half of the pains to be musculoskeletal. Patients experienced considerable limitations in various activities of life due to pain. A quarter of the pain patients of active working age received sick leave. Our results confirm that pain is a major primary health care problem, which has an enormous impact on public health.


European Journal of Pain | 2002

Direct and indirect costs of managing patients with musculoskeletal pain—challenge for health care

Pekka Mäntyselkä; Esko Kumpusalo; Riitta Ahonen; Jorma Takala

Musculoskeletal pain is an outstanding symptom among the patients of primary health care. However, there are few studies of management and costs of musculoskeletal pain at primary health care level. The aim of this study was to describe the diagnostic investigations, management, referral rate and sick leaves related to visits prompted by musculoskeletal pain as well as to assess their costs. A total of 28 general practitioners (GPs) at 25 randomly selected health centres throughout Finland collected the data for this 4 week study, which covered 1 week from each of the four seasons. All visits, except those occurring after hours, were recorded. Altogether 1123 patients visited GPs because of musculoskeletal pain. Laboratory tests were ordered for 12% and imaging investigations for 24%. A total of 16% of the patients suffering from musculoskeletal pain received a prescription for physiotherapy, and analgesics were prescribed to 61% of them. Physicians referred 7% of the pain patients to specialist care. One out of every four patients was prescribed sick leave. The mean cost of the investigations, therapy, referrals, and sick leaves was as high as 530 EUR per visit, with absenteeism from work constituting two‐fifths of the total costs. Musculoskeletal pain is not just a frequent complaint but also has extensive economic consequences for society. Investigations and therapy at the primary health care level play a minor role in the costs as compared with specialist care and sick leaves.


BMC Medical Informatics and Decision Making | 2015

From prescription drug purchases to drug use periods – a second generation method (PRE2DUP)

Antti Tanskanen; Heidi Taipale; Marjaana Koponen; Anna-Maija Tolppanen; Sirpa Hartikainen; Riitta Ahonen; Jari Tiihonen

BackgroundDatabases of prescription drug purchases are now widely used in pharmacoepidemiologic studies. Several methods have been used to generate drug use periods from drug purchases to investigate various aspects; e.g., to study associations between exposure and outcome. Typically, such methods have been fairly simplistic, with fixed assumptions of drug use pattern and or dose (for example, the assumed usage of 1 tablet per day). This paper describes a novel PRE2DUP method that constructs drug use periods from purchase histories, and verified by a validation based on an expert evaluation of the drug use periods generated by the method.MethodsThe PRE2DUP method is a novel approach based on mathematical modelling of personal drug purchasing behaviors. The method uses a decision procedure that includes each person’s purchase history for each ATC code, processed in a chronological order. The method constructs exposure time periods and estimates the dose used during the period by considering the purchased amount in Defined Daily Doses (DDDs), which is recorded in the prescription register database. This method takes account of stockpiling of drugs, personal purchasing pattern; i.e., regularity of the purchases, and periods of hospital or nursing home care where drug use is not recorded in the prescription register. The method can be applied to a variety of drug classes with different doses and use patterns by controlling restriction parameters for each ATC class, or even each drug package. In the presented example, the PRE2DUP method was applied to a register-based MEDALZ-2005 study cohort. All drug purchases (3,793,085) recorded in the Finnish prescription register between 2002 and 2009 for persons with Alzheimer’s disease (28,093) were included.ResultsResults of the expert-opinion based validation indicate that PRE2DUP method creates drug use periods with a relatively high correctness. Drugs with varying patterns of use and drugs used on a short-term basis only require more precise parameters.ConclusionsPRE2DUP method gives highly accurate drug use periods for most drug classes, especially those meant for long-term use.


Pharmacoepidemiology and Drug Safety | 2011

Do people regard cheaper medicines effective? Population survey on public opinion of generic substitution in Finland

Reeta Heikkilä; Pekka Mäntyselkä; Riitta Ahonen

Generic substitution (GS) is an important way to decrease medical costs. We aimed to study the opinions and attitudes of Finnish people about GS five years after it was introduced, the reasons for substituting and what people think about generic medicines.


Pediatric Anesthesia | 1997

Pain and activity disturbance after paediatric day case adenoidectomy

Hannu Kokki; Riitta Ahonen

Over the past two decades outpatient surgery has become standard practice in paediatric surgery. Adenoidectomy is a common surgical procedure in children. In this prospective survey pain and pain‐related outcomes such as sleep and activity disturbance were evaluated in 167 children aged 1–7 years who had undergone adenoidectomy as a day case in Kuopio University Hospital. The survey questionnaire consisted of 76 structured questions about pain, pain medication, adverse effects and daily activities during first week after the operation. Eighty‐three per cent of children had pain at home and 17% of them had moderate or severe pain on a four point verbal rating scale. Eighty per cent of children used pain medication at home. Pain medication did not cause any major adverse effects. Over 90% of children were back to normal daily activities during the first three postoperative days and nearly all were able to drink during the whole postoperative period. We conclude that pain is a common problem after adenoidectomy in children but most of the children return to normal activities within three days.


Pharmacoepidemiology and Drug Safety | 2010

The use of prescription medicines and self-medication among children--a population-based study in Finland.

Sanna Ylinen; Katri Hämeen-Anttila; Kati Sepponen; Åsa Kettis Lindblad; Riitta Ahonen

The aim of this study was to investigate the prevalence and concomitant use of prescription medicines and self‐medication, including over‐the‐counter (OTC) medicines, vitamins, and complementary and alternative medicines (CAMs) among Finnish children aged under 12 years.


European Journal of Clinical Pharmacology | 1991

Consumption of analgesics and anti-inflammatory drugs in the nordic countries between 1978–1988

Riitta Ahonen; Hannes Enlund; Timo Klaukka; Jaana E. Martikainen

SummaryComparative wholesale statistics from the five Nordic countries show an increase of 15–42% in the total consumption of analgesics and anti-inflammatory drugs (including antirheumatics) in the period 1978–1988. Denmark had the highest total consumption (112 DDD/1000 inhab/day in 1988) and Norway had the lowest (61 DDD/1000 inhab/day). Iceland and Finland, with the highest increases in total consumption (45% and 35%), overtook Norway in the early to mid 1980s. Division of total consumption into subgroups showed that Denmark had the highest consumption of analgesics (90 DDDs) and that Finland and Iceland had the lowest figure. The latter countries, however, had the highest consumption of non-steroidal anti-inflammatory drugs (NSAID), 35 and 30 DDDs, respectively, in 1988. The increase in NSAID consumption was 57% in Finland and 54% in Iceland, while Denmark had only an 18% increase. The new NSAIDs introduced in the 1970s appear to have increased the overall consumption of pain relievers in the Nordic countries, especially in Finland and Iceland.


Pediatric Anesthesia | 2000

The feasibility of pain treatment at home after adenoidectomy with ketoprofen tablets in small children.

Hannu Kokki; Elina Nikanne; Riitta Ahonen

In this study, we investigated the feasibility of pain treatment using ketoprofen 25 mg tablets (5 mg·kg–1·day–1) at home in children after daycase adenoidectomy. We also determined the adverse events and the incidence of postoperative bleeding during the first week after surgery. Initially, we studied 611 children aged 1–9 years. The study design was prospective, longitudinal, and open. The final data consisted of 555 (91%) children, and 522 children who received ketoprofen at home. The parents administered four (1–10, median with 10th and 90th percentiles) ketoprofen tablets to their children during the first week. A total of 20% of the parents experienced problems in administering tablets, and problems were three times more common in children under 48 months compared to older children. The main problems were swallowing difficulties and the unpleasant taste of the tablet. Neither serious adverse events, nor clinically significant bleeding occurred. Ketoprofen at the dose of 5 mg·kg–1·day–1 proved to be a safe analgesic in children for short‐term use after adenoidectomy.


Pediatric Anesthesia | 2000

Recovery after paediatric daycase herniotomy performed under spinal anaesthesia

Hannu Kokki; Marja Heikkinen; Riitta Ahonen

In this prospective survey, recovery in hospital and at home was evaluated in 195 children aged 6 months to 10 years who had undergone herniotomy under spinal anaesthesia as a daycase procedure. Spinal anaesthesia was successful in most of the children, with only two patients being given general anaesthesia. Eighty‐three percent of the children had pain at home and 19% had moderate or severe pain. Eighty‐five percent of the children needed pain medication at home; the median dose of analgesics was 4 (1–9, 10th and 90th percentiles). Vomiting was noted in two of 195 children in hospital and in 10 of 192 children at home. Eleven children developed a mild position‐dependent headache. Most of the children (183/191) recovered their normal daily activities during the first three postoperative days. We conclude that spinal anaesthesia is a safe and effective technique for paediatric herniotomy. Moreover, pain is common following herniotomy and children should be given analgesics for the first two or three postoperative days.


Pharmacoepidemiology and Drug Safety | 2009

Factors associated with medicine use among children aged under 12 years—a population survey in Finland†

Katri Hämeen-Anttila; Leena Lindell‐Osuagwu; Kati Sepponen; Kirsti Vainio; Pirjo Halonen; Riitta Ahonen

The goal was to determine the prevalence of medicine use and to provide population‐based information on factors associated with medicine use, including prescribed and over‐the‐counter (OTC) medicines, in children aged under 12 years.

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Johanna Timonen

University of Eastern Finland

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Sirpa Hartikainen

University of Eastern Finland

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Pekka Mäntyselkä

University of Eastern Finland

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Katri Hämeen-Anttila

University of Eastern Finland

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Miia Tiihonen

University of Eastern Finland

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Anna-Maija Tolppanen

University of Eastern Finland

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Heidi Taipale

University of Eastern Finland

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Marjaana Koponen

University of Eastern Finland

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Esko Kumpusalo

University of Eastern Finland

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